Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGbzCIGNxZWF8rmom+aJ4+f4UnxJ+CcMqfgnCdnUcgZEVLbd4CvlGhpzOzq… (844 chars)"
  }
}