Transaction not yet indexed

28CXxwNoi1wZksdJM5f3cLiGt9F2LrvRrGnpYh5nw5E67XvzbU6BDwGeFPe49y9SMCjsPTYNycxhheWRWQ5jtqE2

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