Transaction not yet indexed

1UsvvaeTkqDBmAXjaBsKaaEePs4vaZmNeqSwPE3nK6eFAbwrPgNBuDe1ccyjqXrtCaDq6dDcA5xLLNmvvMd57mW

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