{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239411",
    "entityType": "User",
    "nonce": "0xd67b4f61343e67c793fab1ea5bb5b84c2812e11983dd3060324fde5f1b9fa7ca",
    "signature": "0xf53b4644e5dbb99e2b571b33129987d4ace4c314113cb60b6d478990a00b9f771fb048be8bc04ed170a5737dd3f48c7fbd81a83b36086d861147aace481f160b1c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}