{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5b2164cad6adc14e575a2f3581e7f60237cc1378b38d949d2216c79276ec98e8",
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}