{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6b4f8b690ad794617838cdbe94cb9e6850e20a8369f3e6565cf26f3bf3306933",
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}