{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3940c8348ffaa9f4fa0ba45a55883dbb9df510c082a026b83dd78f8bc2486561",
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}