curl --request POST \
  --url https://us-central1-siro-prod.cloudfunctions.net/api-externalApi/v1/core/users \
  --header 'Content-Type: application/json' \
  --data '{
  "email": "<string>",
  "organizationId": "<string>",
  "password": "<string>",
  "phoneNumber": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "memberTeamId": "<string>",
  "memberTeamIds": [
    "<string>"
  ],
  "coachTeamIds": [
    "<string>"
  ],
  "isAdmin": true,
  "externalId": "<string>"
}'

{
  "id": "<string>",
  "email": "<string>",
  "organizationId": "<string>",
  "phoneNumber": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "memberTeamId": "<string>",
  "externalId": "<string>",
  "createdAt": "<string>",
  "disabled": true
}