{
  "manageEntity": {
    "action": "Save",
    "entityId": "338232720",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9b1f977322ea949662107c4374625dcae337a0c8253ca81ef4d1ecfd01e8ef8e",
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}