{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xf5678c11ede7f0e3c7174087334c266df1aa513a9ab08435bf3b7f5289e7a079",
    "signature": "0xbeca8587434d84a9a9d2eee645d4e99bce747271c831d851ed5cf816f7b5570c38a3e6af2e947735098e674f8cb3031faf69e170abd48ffe3f6ac33c3947c8e81b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}