{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831464544",
    "entityType": "User",
    "nonce": "0x2edf86a599ccc0f71adf01446ac9a58e6c0c45b030c702ba602cf63f3a700d6c",
    "signature": "0x9d262e6887b093c783ea4f1ca774c1f3bf387f6b1be4a9cc8ef6033316aa9ac85408ed9f848bc755e1f7d2e99dde46c067c34fddf55310919e438f55d3d0df111b",
    "signer": "0xC0e7BC0496679e5395737618DBf792b5bF472ad1",
    "userId": "358305776"
  }
}