{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x68828830d9f3c78e234737a5c4f3a1b15e6ea66c78565ecbb5b2714dc40d1187",
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}