[
  {
    "critical": {
      "identity": {
        "docker-reference": "562077019569.dkr.ecr.us-west-2.amazonaws.com/flasksample"
      },
      "image": {
        "docker-manifest-digest": "sha256:9bd049b6b470118cc6a02d58595b86107407c9e288c0d556ce342ea8acbafdf4"
      },
      "type": "cosign container image signature"
    },
    "optional": null
  }
]