Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB3/2lS7G/zXqPwprR8Xo7rN6/u5j5GhweVC8suPE0NNWt3js9UAZmcW5PN… (844 chars)"
  }
}