diff --git a/solana-explorer/Cargo.lock b/solana-explorer/Cargo.lock
index bbd19c7..92fe0a7 100644
--- a/solana-explorer/Cargo.lock
+++ b/solana-explorer/Cargo.lock
@@ -494,7 +494,7 @@ dependencies = [
 
 [[package]]
 name = "substreams-solana-explorer"
-version = "0.1.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "bs58",
diff --git a/solana-explorer/Cargo.toml b/solana-explorer/Cargo.toml
index e6bcd3f..e8b1a07 100644
--- a/solana-explorer/Cargo.toml
+++ b/solana-explorer/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "substreams-solana-explorer"
-version = "0.1.0"
+version = "0.3.0"
 description = "Substreams showcasing the building blocks of Solana"
 edition = "2021"
 repository = "https://github.com/streamingfast/substreams-explorers"
@@ -30,4 +30,4 @@ getrandom = { version = "0.2", features = ["custom"] }
 [profile.release]
 lto = true
 opt-level = 's'
-strip = "debuginfo"
\ No newline at end of file
+strip = "debuginfo"
diff --git a/solana-explorer/proto/transactions.proto b/solana-explorer/proto/transactions.proto
index ff3ce04..26594d7 100644
--- a/solana-explorer/proto/transactions.proto
+++ b/solana-explorer/proto/transactions.proto
@@ -5,14 +5,21 @@ package sol.transactions.v1;
 
 message Instructions {
   repeated Instruction instructions = 1;
+  uint64 slot = 2;
 }
 
 message Instruction {
   string program_id = 1;
-  repeated string accounts = 2;
+  repeated AccountMeta accounts = 2;
   string data = 3;
 }
 
+message AccountMeta {
+  string pubkey =   1;
+  bool is_writable = 2;
+  bool is_signer = 3;
+}
+
 message Transactions {
   repeated Transaction transactions = 1;
 }
diff --git a/solana-explorer/src/map_filter_instructions.rs b/solana-explorer/src/map_filter_instructions.rs
index 04e181a..fd56d28 100644
--- a/solana-explorer/src/map_filter_instructions.rs
+++ b/solana-explorer/src/map_filter_instructions.rs
@@ -23,6 +23,7 @@ fn map_filter_instructions(params: String, blk: Block) -> Result<Instructions, s
             let ConfirmedTransaction { transaction, meta } = tx;
             let inner_instructions = &meta.as_ref().unwrap().inner_instructions;
             let msg = transaction.as_ref().unwrap().message.as_ref().unwrap();
+            let header = msg.header.as_ref().unwrap();
             let inner_instructions_by_index = inner_instructions
                 .into_iter()
                 .map(|i| (i.index, &i.instructions))
@@ -51,7 +52,16 @@ fn map_filter_instructions(params: String, blk: Block) -> Result<Instructions, s
                         accounts: inst
                             .accounts
                             .iter()
-                            .map(|acct| bs58::encode(resolved_accounts[*acct as usize].to_vec()).into_string())
+                            .map(|acct| crate::pb::sol::transactions::v1::AccountMeta {
+                                pubkey: bs58::encode(resolved_accounts[*acct as usize].to_vec()).into_string(),
+                                is_writable: u32::from(*acct)
+                                    < (header.num_required_signatures - header.num_readonly_signed_accounts)
+                                    || (u32::from(*acct) >= header.num_required_signatures
+                                        && u32::from(*acct)
+                                            < ((msg.account_keys.len() as u32)
+                                                - header.num_readonly_unsigned_accounts)),
+                                is_signer: u32::from(*acct) < header.num_required_signatures,
+                            })
                             .collect(),
                         data: bs58::encode(&inst.data).into_string(),
                     })
@@ -74,7 +84,16 @@ fn map_filter_instructions(params: String, blk: Block) -> Result<Instructions, s
                                 accounts: ix
                                     .accounts
                                     .iter()
-                                    .map(|acct| bs58::encode(resolved_accounts[*acct as usize].to_vec()).into_string())
+                                    .map(|acct| crate::pb::sol::transactions::v1::AccountMeta {
+                                        pubkey: bs58::encode(resolved_accounts[*acct as usize].to_vec()).into_string(),
+                                        is_writable: u32::from(*acct)
+                                            < (header.num_required_signatures - header.num_readonly_signed_accounts)
+                                            || (u32::from(*acct) >= header.num_required_signatures
+                                                && u32::from(*acct)
+                                                    < ((msg.account_keys.len() as u32)
+                                                        - header.num_readonly_unsigned_accounts)),
+                                        is_signer: u32::from(*acct) < header.num_required_signatures,
+                                    })
                                     .collect(),
                                 data: bs58::encode(&ix.data).into_string(),
                             }),
@@ -85,7 +104,10 @@ fn map_filter_instructions(params: String, blk: Block) -> Result<Instructions, s
         })
         .collect::<Vec<_>>();
 
-    Ok(Instructions { instructions })
+    Ok(Instructions {
+        instructions,
+        slot: blk.slot,
+    })
 }
 
 fn parse_filters_from_params(params: String) -> Result<InstructionFilterParams, substreams::errors::Error> {
diff --git a/solana-explorer/src/map_filter_transactions.rs b/solana-explorer/src/map_filter_transactions.rs
index 0c91c37..4929c0b 100644
--- a/solana-explorer/src/map_filter_transactions.rs
+++ b/solana-explorer/src/map_filter_transactions.rs
@@ -19,6 +19,7 @@ fn map_filter_transactions(params: String, blk: Block) -> Result<Transactions, V
         .filter(|tx| apply_filter(tx, &filters))
         .for_each(|tx| {
             let msg = tx.transaction.as_ref().unwrap().message.as_ref().unwrap();
+            let header = msg.header.as_ref().unwrap();
             let acct_keys = tx.resolved_accounts();
 
             let insts: Vec<Instruction> = msg
@@ -29,7 +30,15 @@ fn map_filter_transactions(params: String, blk: Block) -> Result<Transactions, V
                     accounts: inst
                         .accounts
                         .iter()
-                        .map(|acct| bs58::encode(acct_keys[*acct as usize].to_vec()).into_string())
+                        .map(|acct| crate::pb::sol::transactions::v1::AccountMeta {
+                            pubkey: bs58::encode(acct_keys[*acct as usize].to_vec()).into_string(),
+                            is_writable: u32::from(*acct)
+                                < (header.num_required_signatures - header.num_readonly_signed_accounts)
+                                || (u32::from(*acct) >= header.num_required_signatures
+                                    && u32::from(*acct)
+                                        < ((msg.account_keys.len() as u32) - header.num_readonly_unsigned_accounts)),
+                            is_signer: u32::from(*acct) < header.num_required_signatures,
+                        })
                         .collect(),
                     data: bs58::encode(&inst.data).into_string(),
                 })
diff --git a/solana-explorer/src/pb/sol.transactions.v1.rs b/solana-explorer/src/pb/sol.transactions.v1.rs
index f4c1817..1c614b2 100644
--- a/solana-explorer/src/pb/sol.transactions.v1.rs
+++ b/solana-explorer/src/pb/sol.transactions.v1.rs
@@ -4,19 +4,31 @@
 pub struct Instructions {
     #[prost(message, repeated, tag="1")]
     pub instructions: ::prost::alloc::vec::Vec<Instruction>,
+    #[prost(uint64, tag="2")]
+    pub slot: u64,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Instruction {
     #[prost(string, tag="1")]
     pub program_id: ::prost::alloc::string::String,
-    #[prost(string, repeated, tag="2")]
-    pub accounts: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    #[prost(message, repeated, tag="2")]
+    pub accounts: ::prost::alloc::vec::Vec<AccountMeta>,
     #[prost(string, tag="3")]
     pub data: ::prost::alloc::string::String,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
+pub struct AccountMeta {
+    #[prost(string, tag="1")]
+    pub pubkey: ::prost::alloc::string::String,
+    #[prost(bool, tag="2")]
+    pub is_writable: bool,
+    #[prost(bool, tag="3")]
+    pub is_signer: bool,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Transactions {
     #[prost(message, repeated, tag="1")]
     pub transactions: ::prost::alloc::vec::Vec<Transaction>,
diff --git a/solana-explorer/substreams.yaml b/solana-explorer/substreams.yaml
index 71d47ce..cba9117 100644
--- a/solana-explorer/substreams.yaml
+++ b/solana-explorer/substreams.yaml
@@ -1,7 +1,7 @@
 specVersion: v0.1.0
 package:
   name: "solana_explorer"
-  version: v0.2.0
+  version: v0.3.0
   url: https://github.com/streamingfast/substreams-explorers/
   image: ./solana.png
   doc: |