{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x164d65f5cffe75a1d5bce8b38c3952d6b4ae126ebd6d51de6e122301b2d30865",
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}