Transaction not yet indexed

28Md58ms4UeWMmM5hBrimin7KFGPDDMF6acf4Cv4zAdPdDvTn7CMMh1ShkpJSYQJoE6yrYUTqz7PGA2oKrw9HdJT

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