Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAoKjul1kgH+xeCeM6K1sAT3l0Oaim8BsPQcFkNNFKkTDWU+z/4Za4fQdCF… (844 chars)"
  }
}