Transaction not yet indexed

ukD4Kdif6GcSc7gwjUupDomumxKujWqGPmJ83Jy1x3sSeVa4cR9Ah8QxkR36po4MQWQGGJgHoBBB8tMkU6byNfs

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