Transaction not yet indexed

28AbppMyGGwvFaRBgzpCK44wG9bw4DVKbDQAf6HLoE7NQ85rtXmv1QcHW21Sv4RZMP6z8cnxDjdH7PjW1RE6Xft6

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