Transaction not yet indexed

5MSmQ7b21fKjCe1SnDVMUTYZzCXbUXCmugdw5Uk5Q4LgkPsNLWfKoGXDzixf7bhjqW8uYW6pp6GKd7DJiWSzJnvY

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