{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x0d9bf8e4845d711b035576ab90fada132ed44d39f30b1d65d80d40fbd452f54a",
    "signature": "0x34071b842d415edfc5cdfa3782e62a929a09061b7bb86bce151f3a594100a5c57ea4ba6d7a754381b490d284dd6005ee284f9ad672ad7158ca8d90102e8870191b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}