Transaction not yet indexed

1sT5vzYU6B7Rb45VPnfEQeEBRbSt7J9scp2oHgFTVwm8EsEL1YTmTezR17DXq2QXQgoCAqAqHgzQvD1xoyN11pE

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