Transaction not yet indexed

MyNmEf1Ep8YnpCa86872LZEqJQKEKSd2veVeEMjeB9hVJdxTiEY6h8oK7M1FYCHRQqhySqXAdXSnmcM7zJrF6Ke

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