Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBAxDZbwmtF5EUqzsfmttAKiZjkl2HF4O2NrCdc2Yk9VDjeWB0z3L/ELGtb… (844 chars)"
  }
}