{
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    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbd696555c7a207100bc227a017ee8c7cca081151ad3b1118699b9f41e57cd4bf",
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    "signer": "0x1c1Be0a4f194E6158e5DC3d133B55fC7f8867Adf",
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}