Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwD7p/G7OPRkCn8FZpu0Qq1LUmhVY3FjZURZnV2EGjT6slVPVwZWnlR8Egws… (844 chars)"
  }
}