{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1482e070a136881f5c1cdbd8df11d5d0bbac37eed73af54639d5b2386e0cdb12",
    "signature": "0x74cc50bde72bd9e0b89edc4c30cd18e692810b669a3af2ecdb11e7d78796f937535b327b3e53018700faf433922931810249d5b9cb25e11ec53ca8f1a29157301b",
    "signer": "0x7e4674ED8c25998ddACFc1a32781594B1cE40245",
    "userId": "53240035"
  }
}