{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7cc7d0cbc8e6026131706df280481ab21a8e9f9601b247ca7877d0a9f17bd334",
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}