{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3800337ec863d62d9c42a9c1b24b2c91c634704f6ae7baf7b64a723c73d35e99",
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}