{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "556",
    "entityType": "User",
    "nonce": "0xaf52f8a1ed2510aeb42338b870d9464dd53a5c730f4fd12b2afe6fe1560c2e54",
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    "signer": "0xCd2918bCc3A626Fcb36c59D541ea1A64EbC0cfdF",
    "userId": "104409"
  }
}