Transaction not yet indexed

28QfXeUPAtVBpfrvE7SzCrcFSQgawBFcpb1shhP7ecwpPzHt2BVpFg6uA1KdTLhRqSBFeAoFCZdcNJJEEYYFfvYQ

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