POST
/authentisign/v3/users/{userId}/signings
curl \
--request POST 'https://api.pre.lwolf.com/authentisign/v3/users/{userId}/signings' \
--header "Authorization: Bearer $ACCESS_TOKEN"
curl \
--request POST 'https://api.pre.lwolf.com/authentisign/v3/users/{userId}/signings' \
--header "Authorization: Bearer $ACCESS_TOKEN"