{
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    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x89a41370ef544c4af50443d80c67e7b3ab34a208016fddad125293c96187af07",
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    "signer": "0xe03935A6a1B48d6F96fFb96E16DEd0c73888AB76",
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}