Transaction not yet indexed

MYst8JrFUpvfgRoJPr1uq921w18bDdD78SvqBGCUcUxoZBiEp6d9JXdMeUAUNCpUvDPtUZFDADZBXid1eRvcu8V

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