Transaction not yet indexed

1mTYYnCWFKwE6Ppg6BUxAmi2dEBVJvUkKFGqDYPnj4ws5BNAg1U6gt6D251TjZ15S6wbU2vjFNqYvFZwAij55ZP

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