{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa96fd7c9f6ba7a9b7c7288ba6e2e2d0b1ddc34e0ec8d5a6cc5b6e05a44a7e6fc",
    "signature": "0xa6aa1e933cf0147c5aa113f22f597c36631dfd786bb1300ba26fe4835b4594b560f13a52302fb16ff5361ec62d2daeccb2404759e1f0fb516dd83852d024d7631c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}