Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBbTAsvZXcoP27VQeaUMFXiQ8Nnx1d6e9m2sTCZ6CwCuBuzXbMD8QuwJ+tZ… (844 chars)"
  }
}