{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329785",
    "entityType": "User",
    "nonce": "0x52aa3a3af1a5c0aece6751a74fd682686b71a64d9f5269ad86d41f5d2ab6d2fd",
    "signature": "0x4789cd90da999a728789c5042b599f693482f866d955b1d5eef19d77fb5fa47d4c6da4ecc8bcb8fa885cec78eeea60c46f5c98917455306c1dd086568ffb43661c",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}