{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xff3157662c96d8cf98c7fb39f981f64223fdeee0e4f5fe9a20655a0dc26fb5c5",
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}