{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1257",
    "entityType": "User",
    "nonce": "0xd5617908795f4b683e23d3aa8a7e08e54739305f41d5f07092a1676f07590a9e",
    "signature": "0xf92de148820dea49f50cff7ab950156e68458f32b4db0c899affd6ebd2a257c32cab758ae0d660ca38f5762c353fc232bd9aa68f3274adff87db0f34274f2f241c",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}