{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0x0bf7f5c410f0292f55a6fe80cacd84eba871819853787501fbcc5b14fced9c0b",
    "signature": "0x7c3387cefd32ccb995a63e0c3ea8622b64f466f5815ed1765a41eaaf392b5d574e41e39c2b4e33f30cf55f83ac71d7c372b8495874f82f2296e4253afb63fdc41b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}