curl --location --request PATCH '/public/api/v1/inboxes//contacts/' \
--header 'Content-Type: application/json; charset=utf-8' \
--data-raw '{
"identifier": "string",
"identifier_hash": "string",
"email": "string",
"name": "string",
"phone_number": "string",
"avatar_url": "string",
"custom_attributes": {}
}'
{
"id": 0,
"source_id": "string",
"name": "string",
"email": "string",
"pubsub_token": "string"
}