Transaction not yet indexed

MUmPfBwsbEnzYnjgS2rqY8vy4BTPmxv1oPL43eDQSskppqWvd5YaNTeYp6K5nMHTE75pXVv5dNpXwbtXPM981x2

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