{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9a8245b8697ee00f2cf3618bcbf160ff08f28de0519e03b190eb651342cccd3a",
    "signature": "0x66c7c88b23086bcb431111a7a17dc3ff7fd3245b5643175f31143cef90e4e88b6c2f8a86973b25a73a36d18dd95b77ab02b9ff9e37c0d16d21c824c6abd081311b",
    "signer": "0xf96057D7c5a737443d6216D67a29B7c2fd8EE11C",
    "userId": "21156469"
  }
}