Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD/7dnfljOF0Pv/cNYtPix/Zcs1kF/HCNnv+fmGpDOhW3DUhPKAXmiWz6xC… (844 chars)"
  }
}