Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCGQ0wMDpbMyz9Zb1EAp4dk6fU7rsq7kC5/IkWxQ6hQ2wBeLeIecK0yx8AE… (844 chars)"
  }
}