{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "353974",
    "entityType": "User",
    "nonce": "0x71eddbe349a636c0e990b849dd510981055b21a7ebefca7a18d31c817f98ff1d",
    "signature": "0xdac73f474cdfb7b2a0c893664ce795eb523bc459167813a8bf501657f71a6d640d7c446ca292feb6df182c415caa1bd68a0e3967919ad15e2e0ddb72567f38c71c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}