Transaction not yet indexed

421spwNQmG5qD15ay8Rjc6T7wGMcPpnusxJTfFBywgAt7yU6xd4hRXABhYuW2fjRyeH5ba6C4jmkHQBL45bdE3Cw

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