Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAGx0EKM2as6vPXE3P7G7GMNhfX+Vn27SbPqXeNi/pKUU9SqQG9Ss4XlxXh… (844 chars)"
  }
}