{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcecfe7d56589f09eabc5e790e7c365238840de91e11e16b8f92e7a44dc8c5890",
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}