Transaction not yet indexed

421TmdpysnKBgPWYrnsNVV8mno4MAbvSJeELdCerJM11ZamkmUxgEcFfViDE1d4m1MQP8zt5WaMMbEdCMM2ku2Zm

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