Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGtRl3BfSuHA54U5Cz3kN7b4z7F4yCurg1FRNKyM2TC0Bz7yT7LvuuFET4X… (844 chars)"
  }
}