{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342118",
    "entityType": "User",
    "nonce": "0xee6d620168ca92d4c110402a6c77f11589704f3e0893bdd9094946819135bcb6",
    "signature": "0x7d782af4430a5b7a6aff39c474fe99ed564781d3ff040a360c70deff44b8b657222cd9bc158fc71b3cb1044743a068549b2e9657c1c0677c9a0ab026a938220a1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}