Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB/8NU3GXIv7Kv0QzwAi1ZkzUzOPB6GP0MQgW0fb8DYxEvMgjnefOaZ81K/… (844 chars)"
  }
}