Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFcDWXl+MVl2X92QkR4C+4YHt9J1n9gHnuh6fgTBgsA6FT5r5o9C4e7kWjS… (844 chars)"
  }
}