{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x6368585e8f4e59fdc471a6fac45e079ab41ef76cb0b1172194a37f59fb36ab6c",
    "signature": "0x0cdf89db780326aa6336af708820800c7d3f05e263bcbd5187a42b759705f5df5c43dd14ca52c09550d95f5bb24179202b47fec7e13950bd520520c19cf584451c",
    "signer": "0x64380653367e8F88e5E42a419Efd0927649Aa2b6",
    "userId": "383201892"
  }
}