{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x19bb78c617e1d2bc9a6256246e5384dcc02f97a197d82ba4501237ed2ad0c1da",
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}