{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe505a6ccd998247f90478a82cb0cd59cf122fa42b4f1306ff7088212e6ae1b45",
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}