{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x97c3ac7e3be45136cb015f61f833a0fe2f80c3772d1dce4c418b4b633167fa28",
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}