Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFUcGK8cHvCMcvGm4jJoj1WqfUNnD1P+RuuxMwpLG+SkFE72CkCiVvy4vPn… (844 chars)"
  }
}