Transaction not yet indexed

MpCey2ZkNe512y4qQJoXFT9s3iYjCuSoPPQ5EmcpAFYDS7Hwwns8svRFcE8xPZEs1eFSBoo8AkVRTj1U3EWR3Tg

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