Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHxvCCGmSCXrvn8EtcVGP3aX4fAU9t+Du/XF6IF8A1yUTV2UgdEVmqykg7A… (844 chars)"
  }
}