{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ed4a67e0a2a708566f7e9f0ba5e9f5719337c5de696c12cb4df35cf9d6f6f74",
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}