Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFPvk1rOQNhT1d0qiULmyZ74OX9WBXV1awYEbfa2GJpXCi/VsNDX0/55mHO… (844 chars)"
  }
}