Transaction not yet indexed

21uMTPXh6GYCiP3fJKkpTkf6Mb7wTJG6LccAq7t3GcZNyeQMfTsRMMxqc3cj9a1bLLvHSXAk8S8Mj5s2SSdQLUaY

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