{
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    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x677492cb26d677972920e031c29dbe60b3954beb8c5a211cf09903133b287594",
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    "signer": "0xd810255aC9c07117E0a020D66Ef18A7f8E6E91d9",
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}