Transaction not yet indexed

28ECppH1hcWcWpTY5fUC7i8BfxsmRBpNb544sdQM8cgXjT3WvYqqtrjk6T6SMHTUbCYiZcDu3KoXpBJ5HqoPF4QU

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