{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8a0fb7de8b72eff7c20880c7389459b22ec33be2f612d86664430b698bfc4788",
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}