Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBHmXQCW2igoJ8Pezsc1Vq+mgE1CdcmuyVhJ0p0xf1+gHVvPtBS8qdkjQFK… (844 chars)"
  }
}