Transaction not yet indexed

MezPnphHxU1WEMsSruc7kQQwDSJeq6tBfF7oGZRXGYTUtmbc4of6cdDmHxmE3YfoN7ubcpyqjarZQ2iMRcZ2CR9

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