{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2ed8a573c1401088497cab4c44bca8d13d6c168e7cb68abce5018c81afa15103",
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    "signer": "0xb077b8D44B18982927EA77e71A59EF1317726d61",
    "userId": "796506769"
  }
}