Transaction not yet indexed

ReFCEiZKVmj8NmAvDUf8CSZAffbdF5sEzmMr9huAgDD7NpWrWQ6NLYKWXrLed4YNkPa8kDc8bQaa3p2DBc6Dbb2

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