Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFbcflJ9D/HeRJ6tsqhkAVQlqf2Kj3IB70FLM3I44EL+U6ru+zHLEJ0rAA3… (844 chars)"
  }
}