{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464332",
    "entityType": "User",
    "nonce": "0xbbbcdaf51f192b6c149aa51c97bfa5f2be576b70c9cffbcfd4f156052460a611",
    "signature": "0x60c301a184a472e3decbf931881dcc30bae952c00cf2f36c447c9be8859869af3a855294edd097676d75ab00f241fb6d80b39d2869cb446fd8e9c9019cb595eb1b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}