{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "3423",
    "entityType": "User",
    "nonce": "0x50015d15a2b72581fafad39b2145ee40ec6e305be960fcdb7394d1c111326ffa",
    "signature": "0xa012e81f6fe679e814a2e0b4052617438400a9ba7af46d38178ac3b76ee757e95c6d5b0988dc577e10647d386d3c7bc646e302c5e15ff4cfbfe5f0fc62ddfbf01c",
    "signer": "0xba960A2A2d8f4427Fae40C7DB0030b14F9C77419",
    "userId": "10119"
  }
}