{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5b21084202db9f301fc1c2c51361b9b0900d38a5034eb88a29e981676fa6ce5c",
    "signature": "0x7b58dee39709c8423ed05dea2d326d9b033c5a7b6661fba2447cff8adec4916d2d20181ec0e08a2e4a207bc819b5314e150e650a3d930255f50822ed4cc608981b",
    "signer": "0xf2A3959FD8c093454867658F3230042b9388B84B",
    "userId": "387870391"
  }
}