Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE5sE0u1vlE3XVd6HhQFSp0nm0F9Hv0yQXnBQqpq7RAX2hU9KCXK4d8+lRs… (844 chars)"
  }
}