Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHww5wPPwybcpflxAwziRoJHmELH7YvLdTmcbDHtAhBpTP9gCDk7RZSEYtB… (844 chars)"
  }
}