{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2349",
    "entityType": "User",
    "nonce": "0x05ad08f668d5b418ce8e4744651743348ba7ed212813ba2672ccdf5ee76076fa",
    "signature": "0x1992338e4fcea2f8d1926b545d0efd92f6fd65b160032de5fff1fb456aa8247e2d5983d9b0693c381b009f45aa51870ec4f985683544e2405f2e4360313608641b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}