{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0589f7b1d354f1d68fff9194e7a8187137ce95035642117c1a050bac8483c4b3",
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}