Wrapper to OptIn service.
opt_ins = OptIn::Client.new("http://localhost:9292")
companies = opt_ins.companies
permission_types = opt_ins.permission_types
channels = opt_ins.channels
params = {
first_name: "some_name",
last_name: "last_name",
email: "some@email.com",
mobile: "066-666-66-66",
company_id: companies.first["id"],
permission_type_id: permission_types.first["id"],
channel_id: channels.first["id"]
}
response = opt_ins.create(params)
opt_ins.update(id: response["id"], first_name: 'new_name')
opt_ins.deactivate(response["id"])