Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFtT6EJ01dCzqUoOi3+FBR2kVSsz/SQbw3XGJ+2BxuM0FDEC7ywFIiMKmNq… (844 chars)"
  }
}