{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb76d1563c316de2be5ef7493c3343c906035047227c96b59d823e0c0fdb4dd0a",
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}