toJson method
Converts the request parameters to a JSON format.
Implementation
@override
Map<String, dynamic> toJson() {
return {
"owner_address": ownerAddress,
"first_token_id": firstTokenId,
"first_token_balance": firstTokenBalance,
"second_token_id": secondTokenId,
"second_token_balance": secondTokenBalance,
"permission_id": permissionId,
"visible": visible
};
}