Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDiDTHt0CA8R7MU/nMsY4Av+27al5YBRZmJAXFTmU7qgTzyr+4Nv08/4cqO… (844 chars)"
  }
}