{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "976",
    "entityType": "User",
    "nonce": "0x399f6e8f8b85358777d187ae021e1bd82ef01b381a9ecac465de1524047c449c",
    "signature": "0x15e85bfac23871c760e543442938708672076a50ac84a3b7de1a84d544d305946c2957087733cfa4c0fac76db888745634d85b10686191ec0e75fb3fc40103df1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}