Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE7B+8p4ObSwTxrGCkCbS/Zw1Jl6sK1sUBR9i+k73Dfywwvtnv+hcY4DKxn… (844 chars)"
  }
}