Transaction not yet indexed

421tUGVztTPKFPWcdz4zURaLZ7dEPEWmSD7XbiJTSgxLdRbGJfxw7qVgTcYh8ijZS2E8zSwC54sxo7P2N58hP5f7

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