Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCU+DAH1Ub8QMDwt2eY2cqFsmhCF6x/j1DjSCl/2/sdmDm6LudvE5bt4Td4… (844 chars)"
  }
}