{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdb7682f27d8b05edbc9c9870bf3294f6b5c30e72e14be1d83e5a189835db588d",
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}