Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGd+aM3aCzUJgBlOx9Oec03EfbLVtAY/mB3ZOjHN/efpyFTCnJL5xBQXG6T… (844 chars)"
  }
}