{
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    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa84022ffdef88f8b4899a4dc57d251ad2410f0ce2889b759029521782f3eaa9a",
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    "signer": "0x2327E5BD5371c76aCDbfC4BC4f52DB8ea8A57f18",
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}