{
  "manageEntity": {
    "action": "Save",
    "entityId": "338232720",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaf7281ceec4c0cfebc3da5461dace06021c8c107398bcbebbf7d88ec140f50fa",
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}