{
"add_sign_type": "before",
"add_sign_user_ids": [
"string"
],
"approval_rule": "step",
"comment": "string",
"instance_id": "string",
"operator": "string"
}curl --location --request POST '/v7/workflow/approval_tasks//add_sign' \
--header 'Content-Type: application/json' \
--data-raw '{
"add_sign_type": "before",
"add_sign_user_ids": [
"string"
],
"approval_rule": "step",
"comment": "string",
"instance_id": "string",
"operator": "string"
}'{
"code": 0,
"more": {},
"msg": "string"
}