Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEdvQ3CM2lCxR+mPP+iuup2mjKi4u+qR7Hpwb9ysQYJbmMBhdVpcL/Vhcge… (844 chars)"
  }
}