{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2cb9515b6cec2e366aff727c896c176d25a1a6081c39aa6c22d4cc90ecfab320",
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}