{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x4425c5c7c68c2f77e50754e359b04db57e1bdac43e9a3605905f2faff5dab4b8",
    "signature": "0xaadc6b6eb51b108eac666e6602c77191cb7e69952fd5155a4c973f9e3923a30d649e6d70cb7c210704cde30b7403c66280d578c28f5065639ff2e01b4b77abe31c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}