Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHH7kS6xkMS3sP4gqGnv41Ni3kIROhC9IAY0j5LCoxlEUq8XNvUzOG+C6UG… (844 chars)"
  }
}