Transaction not yet indexed

MkkR3tUeaECDp4ENRhwM8csMNkUUyQoAMcmeJzy6RCUKj4AmmbHVSpSWqh69t6t9jJYLEg8rWUeL4gDo7m9d4GW

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