{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284269075",
    "entityType": "User",
    "nonce": "0x36c849a7bc6b6371ddbd06139c7b15e1e5dec8c6a14134b7b2314bca7ad3dede",
    "signature": "0xfb53a994fab5ac34610a82101e42a390d5c48d3bdcae644175b78184a8e0f1a02ba1e66110c0e1c56001b8bba78060bec042ade4a382e9394e0d956ec81816021b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}