{
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    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0df281c7509547f8f981b0ee1a7d61090ebf74308daf262b414fbbc097757893",
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    "signer": "0xF88415bdfCb68846481b8d936888f59C051b63ec",
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}