{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "423",
    "entityType": "User",
    "nonce": "0xc3aadc61dd4e612293fef5f1a91c263dc2a7979f960f9bf42a2d3b4d12c5a364",
    "signature": "0x442f92cd27c7fca07b9ea8319b14429cca3d52d763a23920cc31313ebc6e0cdd1c00b6134f87e74694943065ebf76525c7affff8674904297ff8b7ed1370940e1b",
    "signer": "0x84eb2a9cEc5A6107060d141D4BB88003603509D6",
    "userId": "393111"
  }
}