{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x9e4fad69d2831ebdf3f9017a55559f7dcb0c184639aea5394bbbabde0a10db12",
    "signature": "0x65ceb71d74bdeaff0fe930d09c722656610f6cdb98d264ac526d2879f4ebfb8d77acc69f80804b6cebd007f57054283c0e40ad21b32f9fbca908b87e0c7bd5231c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}