Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGcPT4/TF+gMUGp26zp2TdXayypjKvLXaLTI8WzuKvSVRB8cKEqzq/oJnvp… (844 chars)"
  }
}