Transaction not yet indexed

MNfgTLWXxqCS6Ay4bKXvdqyC1WUGdRB3anf1koh7LsFEXbD1kds75hGsQpUKsXibNCyLWhbrGrCmMorUDY4SE21

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