Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHW8lUeAL6V/xGu72/wk0bB1Wgw+aUwr4nYqbyLHl2Kn1Mn+3Nl2k0nQE22… (844 chars)"
  }
}