Transaction not yet indexed

5b1PoP8D17fRGZGsLyaQTdBmWzzzs9HqaVdnNAqFT62VT2vbFQ3c8hBmxWaz3YwEe7htPnru733CdSD6vP1Aq9Hq

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