{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4c96c12cd7c1028ab90afc0696ca9caa92ecab13338f242df368bd18e3fc6fd2",
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}