Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFLLpLVGHVhpJvXVXfGlBTp4BTU7QPLkXNMMuMN7q/GWACUzXv9r/Z14QRH… (844 chars)"
  }
}