{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4bf64c562cc3f093ab2a6ac76d566a1d15a40eb75592b97886831b76f84b9a1d",
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}