Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwET4rsfQGpYPrGUW1mLN/nPNGzQf6/a4fvYEkgkN8cU3DK1rfkciG+phlS6… (844 chars)"
  }
}