Transaction not yet indexed

21SngZAUVoD5E4Q8d7T8WKePfB1s4ogJEaQeZen6NqLCtrPzV2zuF5zJ3vTiG5qW1WhZCjUnxYAyzsmnAGFzLBPQ

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