{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x624f48ccda9c0150291e3ce8e55d7d423848c21824a8cb9a2420d4467a76d8cb",
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}