{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944027,-0.329869,0.000000,0.000000,0.184404,-0.527733,0.829152,0.000000,-0.272935,0.781093,0.561606,0.000000,-1742656.809017,4987183.900596,3561779.956640,1],    "boundingVolume": {    "region": [1.906913,0.596268,1.907008,0.596382,0.000000,8.545889]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1250868.b3dm"}}}