{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xe8e5c996c2848a1a05a86224db39f0f022575094bf7aafa12add46c5ea776766",
    "signature": "0x688952b141f8f2c7b5828e56b5a61b7db5689d0487e5c0ad440c2bf0921a90b2245fbafe0cfe8a543098bb01f28d6c154362acf155af017e3e402d78686462011c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}