{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb051692fe397fbc97a3d0cdeaae751f0b84c16397bfa3c5fe260a913641e64e8",
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}