Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH6W5OPkO2PmeB4PNhw9PGtXWVpkCU4jbUAbMr3q6/VrhXaD+zdlpBEb1r+… (844 chars)"
  }
}