Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBCG4OwFmDuYjpGsxGB886Mn2PhyU9Wrys/FHM9f5/q7D5/KQGJlM2i2SiB… (844 chars)"
  }
}