{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe5a1d6a12cacd68d644d6fb1be287e066cde1d689b920d3639dd27942a3c40cc",
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}