Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBLPmFXMdmh9hCyp+OfMXkXIfoX+eoUnbxK34DqmypUEBVaUQf2XC3b1xFp… (844 chars)"
  }
}