Transaction not yet indexed

5u6zkSArUNdXjJoCZtLUiiiSs9XXcrQL85VYmrR2HGhBTjQSkvaffeKR8WZJpCYT7qPx16S9MUTSrCK7KjrY8Bx3

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