Transaction not yet indexed

28CEADVjGPBXWjJUqEwh2jpBHLTYEeskEjtQ1Q1AdZKypxXH6gbb1tuxLGVLZz2JVDe2rcQpE5awtVaQJtkvPJHY

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