{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73950",
    "entityType": "User",
    "nonce": "0xd3d59c62ec24ef189667ad83e12ad01cb008138e0d883b921d3c34f708d71d0d",
    "signature": "0x22de083c02de096f37516d19510d20e876258b70ea74e55e4c925de711d2096c4576f9666ef3d40ca47f0b8578930cc79a64e97439e0d3421dace5b327f5dc2f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}