Transaction not yet indexed

667MDXAy1ndKJB2oTNuoKvFLEaHTpUd2ztHsfCMQr1cd9mqs2VnT5cmhJJWTen8DJKgYsrUPCFojiBn1RpiFQVdT

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