Transaction not yet indexed

518V26ZafRxSL25ptNhmGqV5t4UU9qfJntHBGUtREcgSdnuc3cjpS8iSGTCQGCeK4VpCTxVd2xDQnbTy9JdqExsx

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