{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944303,-0.329077,0.000000,0.000000,0.183959,-0.527879,0.829158,0.000000,-0.272282,0.781327,0.561596,0.000000,-1738488.997621,4988681.756782,3561719.487781,1],    "boundingVolume": {    "region": [1.906065,0.596276,1.906180,0.596351,0.000000,8.778190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_729816.b3dm"}}}