Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB8Fxc19Q2um+znSwtbSWnq+B1z6CL0EYeCwRDSqpyXBwPXq6+lbq+dnOPQ… (844 chars)"
  }
}