Transaction not yet indexed

21UCMb2rGrbdEYJeVab5Mqqybbx1pYKzPw6SZLQEDdKAddLTcXVqr4XvsukJB2mjGmj1sH4zGofreUZZZXeUq2cg

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