{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc37e94d627f9e5b962dd4aa179b3129d620831673e7c2f586e1a8541a55f7d51",
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}