{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464332",
    "entityType": "User",
    "nonce": "0xdefe14eea0de608311498068b3c739a954cd3a6bd6baf0d364e93938c6c50ec7",
    "signature": "0xb04d7865f420427c68a7be9c5e9356106ede8bb44b482042727a911bf69db6a36461e5ed4ea7172faa2bbfe63e0e31567c1f4c8c04cf2e881b7ea63c922215eb1b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}