{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x2d83daf8ef310cd66b49fe6db1174412101af6b85b113a9eb87a5c8445651af2",
    "signature": "0x4c159d8c54a71245f04004e58ad9e79b18844ed9679cd30b6c6c524b2e5874646cd051535217904f95e0750f803c941a72834ac33c812fcb83b96c92040938991b",
    "signer": "0x355325e20819Ca56f2C729fEb6E34FA039625A24",
    "userId": "39191"
  }
}