Transaction not yet indexed

1256191WTgaD1AETJsNHkZqMwqNZjAJTSob1QoAYJGSgX5NJd9yf3bvpPbHDAQ5Wkep9Dm8d7DzfFG3t77ZQo6Yt

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