Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHYrIXZyhvQAfTWu08+JL1XOlKN5UKL3JqMiAtYGFR4VBtx/HHDjYRkxyRo… (844 chars)"
  }
}