Transaction not yet indexed

MydLYb5Ad4T4DoRGdNrXesJEZ2Y6UUZLebZbCK47q9Gt8uC3FY6YCQ2Z8GNPnfUPdWf36FopnUGZM7REiRy1vnT

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