In current API call of the Thehive,
TheHive4py/api.py at 8e3ecc769fa2b8372df2ed792e555e3a05302dbb · TheHive-Project/TheHive4py (github.com)
the api set the “similar_case” to false, so that n8n will not return the similar case
Can add a parameter to control whether need to get true of false?