how to get specific data from Json and display in Google map in rails : i  connected to DB NOSQL online return json value 

for example 

  `{"_id"=>"5b2e880c1de0c46b00001dda", "gps_lattitude"=>"30.63","gps_longitude"=>"31.09", "gps_speed_kph"=>"0.1", "gps_heading"=>"129.36", "gsm_csecond"=>58, "gsm_second"=>46, "gsm_minute"=>35, "gsm_hour"=>21, "gsm_month"=>6, "gsm_day"=>20, "gsm_year"=>2018, "HWID"=>"AC37439773C8", "pulse_rate"=>585, "recrdID"=>458}`

need display `gps_longitude` & `gps_lattitude` to google map

**when work with sql database can do it easy but not know how can do it use json**