{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894748,-0.446572,0.000000,0.000000,0.284456,-0.569933,0.770884,0.000000,-0.343315,0.687862,0.639516,0.000000,-2192710.957926,4393294.875928,4057175.584317,1],    "boundingVolume": {    "region": [2.033660,0.693807,2.033794,0.693931,0.000000,18.864712]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_984035.b3dm"}}}