{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfb51a3a40d8925cf707f3aa87d1fc53bdd758758bd1948b11546b98388f7222a",
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  }
}