{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6f68b0d3d9a7f1890f014a241d945440796e7fa5b4f726c185c3769663072f72",
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}