{
"client_id": "string",
"timestamp": "string",
"sign": "string"
}curl --location --request POST '/base/oauth/token' \
--header 'Content-Type: application/json' \
--data-raw '{
"client_id": "string",
"timestamp": "string",
"sign": "string"
}'{
"data": {
"access_token": "string",
"token_type": "string",
"expires_in": 0,
"errcode": "string",
"description": "string"
}
}