curl --request PUT \
  --url https://api.tic.io/watchlists/{watchListId}/members/{memberId} \
  --header 'Content-Type: application/json-patch+json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "externalId": "<string>"
}'

{
  "teamWatchListId": 123,
  "watchListName": "<string>",
  "watchListDescription": "<string>",
  "numberOfMembersOnWatchList": 123,
  "lastUpdatedAtUtc": "2023-11-07T05:31:56Z"
}