{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x6304b7371c367a6f017a7dad288e577adb0d357ff5ba66e84ef81c0c257c2775",
    "signature": "0xed98eba759734b1b6be143f900374478764c37b33c73f826e9eb8af21efeb30f7003d51d58bda7c4438b58e3c8bb28e3060ed507ec8c29366cae160648c342861c",
    "signer": "0x4Bff11A7AEC906EE6b14CFeaE29e4Df25293247d",
    "userId": "16564"
  }
}