{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x17b981cbb34e72dae53a4ff57c1af225c271204073b7c61d842b513ed2eae524",
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}