Transaction not yet indexed

5NkMB4ja7khdKF69zGKpyj1gpmuxZhNfvzYcWVGr78L9mjQftM6AoWPffgCvsFQT8so7gfCdJiWAkqYPPqcrbDU1

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