{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "8898",
    "entityType": "User",
    "nonce": "0xa921f76ad958dbafb8b1a4fbe9aaf7b417e21764fa8b5b006a5640f9b1ad4c69",
    "signature": "0xfca2a6bd664e04175df7ca682d5415b733e8d34f09cefd11d5fd3fdff244a0786c6f937a4b4b096853d5f73f3ec20278613eb146a14bff5f158fc86a297aa2eb1b",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}