Transaction not yet indexed

1255MZZNqHqAT8ZA2LM2Fmx6oG9GAgAqQfjiAgdd7SUrTbjhessCXKZVvb7WyTEckcdo5Z7cQsJ4tJVvUc1UGJs2

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