Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHzEtufVltdKYXvlsXvZBSNLeokMM6xpZHF+IUwbQUdGTR5fk6sLj7T+CGv… (844 chars)"
  }
}