Transaction not yet indexed

28UngEd6a7dGKV4khaAmAnUNHRGD8osLZrahRV3F1fAbM56LwB4sbfC7pDdsGhyM8DkUd1jRhU1ATsdUUgQT6PNa

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