curl --request POST \
--url https://lens-api.tic.io/watchlists/{id}/persons/{personId} \
--header 'x-api-key: <api-key>'Adds the person to the watchlist. Returns 409 if the person is already a member.
curl --request POST \
--url https://lens-api.tic.io/watchlists/{id}/persons/{personId} \
--header 'x-api-key: <api-key>'