{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330003",
    "entityType": "User",
    "nonce": "0xae9ce7d371eda78e0152dfd41828adfc2f9a7246b387365eb07a50f79719650c",
    "signature": "0x92b7992e1d69f5307918eeb91fb4348486808ec891db103631393334be67096b4437ce7de8919a1ef30f37ef2adf989888503f6c67f409aba4c2e8d561306d751b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}