{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2c53af2fc1d6eb3258ed38b23a508b5c7edbb963e8fad17a484e708b6b1850e5",
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}