Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGrpNcOdsczCGbWcZ3DUn+KE0ZGAb5D5wtbXsVXoF0poXye3Qto/1k0Iw29… (844 chars)"
  }
}