{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x92f8351eb4f8152f3de369b587d1d602e9b0537d07d967a8cd97b3844f5f8214",
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}