Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFpN8R4JHUpRcYn2YAyeJdXZ+OTTRG+CFdUswhE3q1VBCFJA/T5NNXYbGHG… (844 chars)"
  }
}