Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGtDyuvLEu2B6C2/8h7bJ+Ny3pNVEbe3yB4ccdSoOcQJmIYGYReypYlhd4t… (844 chars)"
  }
}