{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xfa4781aae0b8f7bea117704b672a8a91691244f61ece8eec4d7d4494ed607135",
    "signature": "0x0feb9fe598c1410d2b4d39f4bd044bbd99ea6f2507f230a95f7970fa3d58988370edcaa2dd188df7ca1f141b6d5a012dd5d6a5a60cb9457126ff252982145dd71c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}