Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHzCmnVIVjpmOeKYPBPGtDLmEx6Jk2XMSs1zH/TcO9ESRdjGDL83vLHxf8r… (844 chars)"
  }
}