Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEyMbVpwXpEYFspzYH2/sZIDIHWTqAj2RM7qEOPPBnWSnUNJvYK26G5iNHT… (844 chars)"
  }
}