{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x3c7a8140c130b72292ea73bec452336a99d4a7f79edfce85afb5fa8589308478",
    "signature": "0x884f1e97e581e3d95a6ac1d08fa90ad13b489709aadcd12fcac4ea522260176e77deec917bed74bb87e99e85e948cc574519d918af3c7e75a28bf6b00c58bfa21b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}