Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGFhKvF6/tzqZ3WdRtmRkYuMpfbUy4pTb5VLTBtn3yQTBDcuY6ZI9gN0+Jb… (844 chars)"
  }
}