{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xedfbf6b637da21366c3bb0e438462119f92ce79a041ee97ef8410d13d0d8d7ce",
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}