{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220347726",
    "entityType": "User",
    "nonce": "0x79ed166cf591ab453ada83454a34878f2fe19bfa53379075f6dd2e66902defef",
    "signature": "0x7407b2233696e967738e4126bcd17dcf03512529518b6bde507c601c7a1e78510d9213137fababc1cf8a8d841ef1f78c6343971695233eb73967934311874dd91c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "2047015"
  }
}