Transaction not yet indexed

5U21HCd5YfCkG5U5PZ3CHpCbXvwZQBib1QffXDUa7CTJMNGkouATpWxZJmKaEDjb8Gvpn27WSCrQRDDk4XqsXN2E

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