Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+jB0dNxT638KCZgdk2TlLrWR1wUoK4dV0UL7vTJRLVlx7XzIU27VV5Szv… (844 chars)"
  }
}