{
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    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe4b769b9ac5313721a5f981f5c7bb5bc1a1d2ec028f82a9978c2a008e89d7041",
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    "signer": "0xf873847Ae201f1bB538C23706D84cb28d5ec8B89",
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}