Transaction not yet indexed

21WUmnuhPWjg5sP52WT1Ld48zYAzpyWSXFrFfprTYP7oFdJVzHHApBKphjejrbQkMZw7FRbs1CuoBYWT22V8MLGm

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