{
  "manageEntity": {
    "action": "Save",
    "entityId": "338232720",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd403f081f1c2e5aec0273b633ea213c0c9e69ac1fd6fba442a16cc99e04aeaad",
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}