{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "398",
    "entityType": "User",
    "nonce": "0x54cd90a306b1eed7a701e650e5d1f008552b440dd23a7189a4718bae4a7e4ae8",
    "signature": "0xa151669eb3aac9a5f02a9989aa31744eac9d4b8ed6e7263ff1f965adb02f463e5d3b9eeb23a127b74cd2ba492751e5a88d5f30d72dac30003b7fd2d4487f333e1c",
    "signer": "0xCd2918bCc3A626Fcb36c59D541ea1A64EbC0cfdF",
    "userId": "104409"
  }
}