{
  "schema": "MKN027_SYNTHETIC_AUTHORING_FIXTURE_v1",
  "evidence_kind": "SYNTHETIC",
  "fixture_id": "preview_wrong_revision",
  "content": {
    "content_id": "LESSON-77",
    "content_type": "lesson",
    "schema_version": "v1",
    "canonical_revision": "R12"
  },
  "review": {
    "reviewer_ref": "REV-7",
    "review_revision": "R12",
    "review_state": "REVIEW_REQUIRED",
    "preview_revision": "R13B",
    "preview_schema_version": "v1",
    "publish_state": "HOLD"
  },
  "branches": [
    {
      "branch_id": "A",
      "author_ref": "AUTH-A",
      "revision_id": "R12",
      "base_revision_id": "R11",
      "autosave_revision": "R12",
      "changed_block_ids": [
        "BLK-H2",
        "BLK-A4"
      ],
      "conflict_state": "NONE",
      "validation_state": "PASS",
      "schema_valid": true,
      "heading_structure_state": "PASS",
      "alt_text_state": "NOT_APPLICABLE",
      "accessibility_metadata": {
        "state": "PASS"
      },
      "block_types": [
        "heading",
        "assessment"
      ]
    },
    {
      "branch_id": "B",
      "author_ref": "AUTH-B",
      "revision_id": "R13B",
      "base_revision_id": "R11",
      "autosave_revision": "R13B",
      "changed_block_ids": [
        "BLK-M9"
      ],
      "conflict_state": "CONFLICT_PRESERVED",
      "validation_state": "FAIL",
      "schema_valid": true,
      "heading_structure_state": "PASS",
      "alt_text_state": "MISSING_REQUIRED",
      "accessibility_metadata": {
        "state": "FAIL"
      },
      "block_types": [
        "media"
      ]
    }
  ],
  "conflict": {
    "canonical_head_when_b_arrived": "R12",
    "stale_branch_preserved": true,
    "silent_overwrite": false
  },
  "migration": {
    "migration_state": "NOT_REQUIRED",
    "historical_revisions_preserved": true
  },
  "audit": {
    "audit_event_id": "AUD-MKN027-BL-1"
  }
}