{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944438,-0.328688,0.000000,0.000000,0.183031,-0.525912,0.830612,0.000000,-0.272442,0.782822,0.559433,0.000000,-1739494.794822,4998184.601018,3547971.627112,1],    "boundingVolume": {    "region": [1.905629,0.593567,1.905793,0.593836,0.000000,8.316945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/2_980773.b3dm"}}}