{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8889ce4f27f326c42239e8d4f29371d2e4ff8df84d3a90ec5e7a03d5b7c32914",
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  }
}