Transaction not yet indexed

MpgSUPUWSfZSARsessfX3QRByEdt15u1iT8yUJKYmZQGw14f7WCmPFtrBJbp27bT3GbkWeHCSvcz3eiKTr869CL

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