Transaction not yet indexed

MffGRnaMnrdzcqYccE8RuYUMNiQyYbpY1xRJGjUDY3H2MUUhB5kMNUjj15LYQvpKDKqRqan9KRxLdPTHpnGsR5g

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