curl --request PATCH \
  --url https://use.hoop.dev/api/users/self/slack \
  --header 'Content-Type: */*' \
  --data '{
  "slack_id": "U053ELZHB53"
}'

{
  "email": "jsmith@example.com",
  "groups": [
    "sre",
    "dba"
  ],
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "John Wick",
  "password": "mysecurepassword",
  "picture": "",
  "role": "standard",
  "slack_id": "U053ELZHB53",
  "status": "active",
  "verified": true
}