Transaction not yet indexed

21Ez5TDqN7RVAeYqBp678iNHYLuPLnGb15zcNxzJbdUaC1QeuqGqtos2WjByqhdMLZ3QBC2h8XvrSLEjUH7GgZw1

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