Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGaFCGfiGp4FjU1lnGDNq6KSbM5Jz2pMbvfYZ7BV/Zzoj27kKlESLdu/Nt9… (844 chars)"
  }
}