Transaction not yet indexed

mfKvj8uBMpSivWK4zXWrg5Ud8ZqB3ZWevbDp756JCvUWnDkYmNPpgCtBJ9VaxJCTXZtTjGaqU1YgDHZ5393uZpY

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