{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322518155",
    "entityType": "User",
    "nonce": "0x728eb4de0a93139ad80259cc001193947e8931aa30229bf5e1feb6237d001071",
    "signature": "0xd4678a83a9d8513ecf9e04d4e9bf4930474e22277c17ef9d1592a3906e3602116e8606318112bc6fd7c46c5cd8ce37714b69b82ffc48bd2c5bef90fee70d6c711b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}