{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950504,-0.310714,0.000000,0.000000,0.173777,-0.531599,0.828977,0.000000,-0.257032,0.786285,0.561864,0.000000,-1641118.353231,5020338.671569,3563423.037492,1],    "boundingVolume": {    "region": [1.886691,0.596588,1.886789,0.596687,0.000000,10.947174]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1328592.b3dm"}}}