Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAK3wL+8G9ytq+Xza6c2NWiO3S0sQCUG+T2YSLDMHUjNjNJIc40pd3s4We3… (844 chars)"
  }
}