{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943846,-0.330385,0.000000,0.000000,0.184528,-0.527162,0.829487,0.000000,-0.273474,0.781262,0.561107,0.000000,-1746092.672323,4988258.528082,3558612.330135,1],    "boundingVolume": {    "region": [1.907459,0.595665,1.907555,0.595780,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1273147.b3dm"}}}