Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD3d/bchKz1Pdx3hf2L1GPY0Zkmx/fVBGRdxZKRwNnBpEuffqX9jvMFTGjR… (844 chars)"
  }
}