{
  "manageEntity": {
    "action": "Save",
    "entityId": "520774072",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6ca3c032f492c356b216cd43f5130ab781435823e5c486920089ad090de884eb",
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}