Unpin a message

Path Parameters
`gid` int64 — REQUIRED

Request Body — REQUIRED
`mid` int64 — REQUIRED

Responses
`200`

POST /group/:gid/unpin

gid — path

Body

https://dev.voce.chat/api

curl -L -X POST 'https://dev.voce.chat/api/group/:gid/unpin' \
-H 'Content-Type: application/json; charset=utf-8'