Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGU7/snAz5CiuYtjwTTBtkzHh1u3Jt0NHRH/mZgCiBz6SIj3gGE5ZUBYekI… (844 chars)"
  }
}