{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x75b81991fcd4b286bf79b938b5f396047737e01c6899bbc42e27001d9af95fc2",
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}