Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBPdRq9h/Bnd5zsJiAVtO2vXRgy5XuwFLgM+2R+ZW/c8mhKKpCmLdyg6V10… (844 chars)"
  }
}