curl https://www.onradar.com/api/v1/geofences
    -H "Authorization: org_live_sk_108c97506e7549bdbffd68cc4512a7df1fc1c469"
    -X POST
    -d "description=Monk's Café"
    -d "tag=venue"
    -d "externalId=2"
    -d "type=circle"
    -d "coordinates=[-73.975363, 40.783826]"
    -d "radius=50"