{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "254245",
    "entityType": "User",
    "nonce": "0xa1bda110924a67f13d7e543ded0c6b5d06c4ae579847fcd04e9ca929b48dd5d9",
    "signature": "0x6549353ada032e9a4b3f87e526a4d757ad5643b748536705fbf1ad0c295500c92a7959c101665b0957aa2d1464d39d8b3cfdf1451ef0f07dd69b6e1a44292bde1c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}