Transaction not yet indexed

5k51wvrNJPJSJM2DHML4THoxfHZufX2GjsvaQcJexX5RE5n4pZLbSh1QKA87zDMba7t4y1ZbMYCzPDtxZT298pS6

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