Transaction not yet indexed

621DMMg6DTJLsi8YQF9Tpo151Dzo2c4gCBMTyz5iuWTaRUdDbNuyu9AGPyFodLsS3eLdrc74RNWHXU6KUKHS3RyQ

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