{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x619d7555c242ce9f9b699b3622feb50e8d9a06257ee44fd533106b13a607210c",
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}