Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGLYHRMuIy2M/nVklRHiGwbTCOZz5dDJ6x+rJnGrQ4K4gbHjuZf5OFFIBVS… (844 chars)"
  }
}