{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x557895abea38fe7d0a305589ac109e47a6f6a811468c226e671c3da2b693fe3b",
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}