toJson method
Convert the VoteAssetContract object to a JSON representation.
Implementation
@override
Map<String, dynamic> toJson() {
return {
'owner_address': ownerAddress.toString(),
'vote_address': voteAddress.map((address) => address.toString()).toList(),
'support': support,
'count': count,
}..removeWhere((key, value) => value == null);
}