Get the open state of a lock
https://api.sciener.com/v3/lock/queryOpenState
Get the open state of a lock via gateway
1. Description
Name Type Required Description
clientId String Y The app_id which is assigned by system when you create an application
accessToken String Y Access token
lockId Int Y Lock ID
date Long Y Current time (timestamp in millisecond)
2.Response
Parameter Type Description
state Int Open state of lock:0-locked,1-unlocked,2-unknown
3.Example of response
{
    "state": 1
}