Transaction not yet indexed

521p9GENjHoa5U4Pwtj5vaPSh6bmXe4NuGMSiUSDoXUzRzVt5hpzpXQWKid2xFHuX1194md4JH3EGSyS3P2a7EA7

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