Transaction not yet indexed

2U55rQ9ppKRxeikLzTPFgnMDDPkw5DBYMZaohP8tuNEN3trs9tSo2fMvUYNi5VP9t3644ioa2ZgCKFirM9ipfj88

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