Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF2kIoHTzLFE76kJ7d2NTu7m/HG2pGcK4m0bL7oXxPabCjhU8UQ2DT3bYhL… (844 chars)"
  }
}