Transaction not yet indexed

121Um2Arr1tdEajQNVk2ihb9ynAxHkbnzEW3JgyTst5NuhyWxL6CyUv8rW4xeWj6Ue26XNsqGUB5vkkXScA5yQ56

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