{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8e3a51148b1db3523b87f541aa91a8b31ff874dc8bd895039f311c850c0c5081",
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}