Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDHlwL+zE2aNAKimeCmzgpvNZ1JBdiMtSu1Atgjjrw/d2DYO0DRwpLuDL/6… (844 chars)"
  }
}