Transaction not yet indexed

xS15PcfK2u9BMHiaEUxaPUj5MyMJZP3JAWCWECCXC9Pmb4wSWGsZV6HVrXvDCwXUqaCX1VfQ1RYGHipSSf7ecwu

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