Transaction not yet indexed

28Gvc4QLoG4cXCgH4pug3fVMVEQMb6qjdNzkFz2ExYjiFo7CJxSYMwmKL1enPzs7oGzcEbrKvPJnRmyFuSs5Arm3

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