Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA9bWepKRSvbmAF+vb+BpucjpVrYwJP7S0FC8QhJ2GA8xG1cJ/g+Uat42tZ… (844 chars)"
  }
}