{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942855,-0.333203,0.000000,0.000000,0.186730,-0.528385,0.828216,0.000000,-0.275380,0.779234,0.562992,0.000000,-1758278.178091,4975343.887386,3570590.985935,1],    "boundingVolume": {    "region": [1.910433,0.597970,1.910558,0.598033,0.000000,8.665172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/21_1250183.b3dm"}}}