Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC41m08fqXF0fOtN5wDdmKl+EBl5A/M+p4C4tP5iaSBpSEPFvyTj/CDY1XB… (844 chars)"
  }
}