{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "124312",
    "entityType": "User",
    "nonce": "0xddff10881f3f98c5d102cdaacf68e4f8fe84091688ab8c88168cb141ad4486db",
    "signature": "0x68ebf774fa71e1327f1297a83a57ba7b60452e76a52eb86b13ed356d54a2948765646bae5e95e5816eb0a9e5e7ecfe186fc4049cd7f8d982915e6e58d3d018f11c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}