Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHsZ5v7bFnR2kx+hoYP4/XjSP4si6aLSq8X3ZZLAbRQsScIgEA3OiWcFi42… (844 chars)"
  }
}