Transaction not yet indexed

MpA2kWK6NPyiQXJYK1FUQB1AyKShUkmuDWpcsSgSmuTU79vdFMUfsaeV42eQcQffdbNrG2egY7Diqs1gWe358wj

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