{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2e72f6ba1f2c406ff21b46dac9a271165895fcfd7dc68b91584e97909c10f4f0",
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}