{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "47154652",
    "entityType": "User",
    "nonce": "0x224fd04cf350b0c96b4cd949c7c7c32672ed5d2261b690864df53de8593c61de",
    "signature": "0x312d7c8c7edf40a18afbd3f1199bcda9f8d6196125eeb2b3042745def347179564707cdf22d4b74d04ca72d56e30e792c7d0ae768055762ca00681ddffb6b16e1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}