Transaction not yet indexed

a31L691tr5jnxDHqFPTdji6BQsAGQ5rj1bnbLtq9dwdK3pbT4vcUCyh6TkNwp3RME4wrk9FGHt3LZyaMEC2XTa7

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.