{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943848,-0.330381,0.000000,0.000000,0.184526,-0.527163,0.829487,0.000000,-0.273471,0.781263,0.561107,0.000000,-1746073.829313,4988264.875751,3558612.675592,1],    "boundingVolume": {    "region": [1.907456,0.595665,1.907551,0.595780,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1273162.b3dm"}}}