{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x901cb3f2bdead6bf8a388fc3bc41a7b4af0dc3e128a50f9bb1d068e183cecb92",
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}