Transaction not yet indexed

U6WUu1SzTSKr55NFqB5wHk1Pq4ZQhRqRQuEupn5NTCvgdBRz2h6Mo5bvVvynKCZB2uquvXsp9iPu5Pv2Mk5hoSD

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