{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354111",
    "entityType": "User",
    "nonce": "0x78935b5bfbb82179d3f1fc734c4a43bd56da29080227ed6ffddfc04355f2a310",
    "signature": "0xc05ff4443a1eac39bb656f180d47e84a337e53ac196ac29f76538c3cfc99857f441bf041410cfa35b8e70b8d97a52f03b99a86cda5c70436c2cbc299911548ef1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}