{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949414,-0.314029,0.000000,0.000000,0.115651,-0.349651,0.929715,0.000000,-0.291690,0.881875,0.370423,0.000000,-1861290.852980,5627306.455644,2347871.065390,1],    "boundingVolume": {    "region": [1.890229,0.379464,1.890230,0.379465,0.000000,0.471686]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/17.b3dm"}}}