{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaa66fef1bb6592be9f4efc0bff0696c7d7dabb3c042c9a9d040af33afd099289",
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}