{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbc24879e4f8336d845a0dfcfc2fc5ce2ba7f18e2e8ccb5c303bc709c10d5e217",
    "signature": "0xc59cb92c512978376ec8b973f6a791d4e7e8cfc9fb5220e202604934c7719934557b634b761b74031599a47d8f1435e194e516fc24ef9947a5f4c270ac4b8e971c",
    "signer": "0x2830E3931b17C60bA63Ef39B7a2479245EF19102",
    "userId": "843610726"
  }
}