client_account_code
tariffplan_name
routingplan_name
tech_prefix

 curl -X POST \-H "Authorization: Token d37fa8c4e008fec158070b1b4aea5f0db3d6a06e" \
-H "Content-Type: application/json" \
-d '{"client_account_code":"2144533795", "tariffplan_name": "CGRT_PLATINUM", "routingplan_name": "default_route", "tech_prefix": ""}' \
-k https://your.domain.com/api/users/tariffplan_assign

 {
  "status": "success"
}