curl --request POST \
  --url https://api.sequence.app/rpc/Analytics/D1RetentionByCohort \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "filter": {
    "projectId": 122,
    "startDate": "2024-09-30",
    "endDate": "2024-10-10"
  }
}'

{
  "data": [
    {
      "value": 0.65,
      "label": "2024-09-30"
    },
    {
      "value": 0.68,
      "label": "2024-10-01"
    }
  ]
}