{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x26d8650ca9d39b81bc340819364e42dcb5b75d18cdf2009d82921e2f209cab49",
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}