curl --request POST \
  --url https://api.mnemom.ai/v1/auth/sign-in \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "jsmith@example.com",
  "password": "<string>"
}
'

{
  "user": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "email": "jsmith@example.com",
    "app_metadata": {},
    "user_metadata": {}
  }
}