Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEsIOdL82B+pjZIa33NsNXxRCnC9w6x+QEUL3ITVN5OMi/QlmDX6PBrZ/Kl… (844 chars)"
  }
}