Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHP/bAMWP7rYypU6QOih+nOG60tLVAv5eFSw59RZ1gkc1mCvG/XYWkqFPwJ… (844 chars)"
  }
}