Transaction not yet indexed

478kk8UkKMXnSEK2WCLcdyZWkvEDPMjpFTHa8AUT8QtvoChQhmHtkfJkLKnqBNZswtthzXDm2JN4TwvvJv1BkBoT

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