Transaction not yet indexed

MMYzxp6PLAFKVFKvn11gh2ujA4NWPhZxoJB1oSQnQSDTD6mC6h63QWnfEBWDe8XCxu37dX6aQUMM4zJSBrnCSsB

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