Transaction not yet indexed

5SmpAp94gP1keZc5s9mLmcSxdunvsvzo2B7LLWCaYJZ5KRR4ph9nVbNjKT5FWJMm2i7jgh7YZb8NSad4SqbfjAK6

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