Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDYaKb2gFWnuPm5Pzp8VHJFJWzq+TY+xQNHZkx2fy8XhSk35lqV0TROwyXl… (844 chars)"
  }
}