Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHIV3pFLnDtFNQYrAZJ2bYmZpyMc68W1r0mgyKDrIPqlD7H8q9GiCuKfwEQ… (844 chars)"
  }
}