Transaction not yet indexed

5ffDuDoJpkaE63anHSoyDuFHmm5dopiRt7bL8iPQ8D3cbzUwUd2wTMWNN3ifjo31j2ukJSMM9Q4Mqjtiw9D663Pf

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