{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xefd91fc1ae2f2845ca0a6fdd5914538cb872c63709dcef9eb92954d721aa7b16",
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}