{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x439094db2eaad0c29fd4bd1566efb5f044fbba37ff17221e0c82479924cfa86c",
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}