{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18855",
    "entityType": "User",
    "nonce": "0x44166e0ee729fed2417d17d40679737a2089ac03294925be547a75462e1eb6d1",
    "signature": "0x0ca13efe331de53f82f297848daa66e0df38a7161392a3eb1b01d265a93103f95b347c3e4711900b06d0b1110ac4ba10c40edf8e159bb52603157f2293da3dac1c",
    "signer": "0xdAe27B20BF3639989Bd99E76811FEF26BEa4Cc49",
    "userId": "176556"
  }
}