Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC9fmQd3kQ5VT1zevxW1zQBYq0pK9o+vxqr+SX/Aq0+xUvoq675xZfCIYP+… (844 chars)"
  }
}