Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH0RbMRJgv5+RREQnfXzNLgE32gb/oY/D/fDXATc0yj1Ck7y/RUoxAkLTrv… (844 chars)"
  }
}