{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "620307004",
    "entityType": "User",
    "nonce": "0x5040c1a9016d4f15b0ad251b6d45cc1b1bf1da7b617d3f67754ad5b9f833048b",
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    "signer": "0xf1b266FaB316100908263c082e562a5B847A0384",
    "userId": "575269234"
  }
}