Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE7pQZ1TAY12B0wDhjQxV3EITad4plqJikFYtLkwGCpCRPDtBbvGZ1Yzr6J… (844 chars)"
  }
}