Transaction not yet indexed

mst8bAbEbUeav1eS7Tyy21paTjPHnpXpcJyeMDJ7xkfgpNHALmi7r4eCx2rj4CG6q7AFxGbMr7sBAU1k58WwiU9

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