Transaction not yet indexed

28GvAxgUHTnGNvmBgprBv28uF85zAP7UmCj9ggY2aRYpYJrpnk6pXCSQ3RJPtSXAsya5VbCymRhYM7SiHV4RRxF1

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