Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEgTGQg9zy5cHy9BCUJr0GUz+GtWLVAOeiyLNfnPYGEThWgxSFLnO6p65Ng… (844 chars)"
  }
}