{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950550,-0.310570,0.000000,0.000000,0.173471,-0.530938,0.829465,0.000000,-0.257065,0.786791,0.561140,0.000000,-1641329.708492,5023555.840838,3558819.752657,1],    "boundingVolume": {    "region": [1.886531,0.595705,1.886647,0.595819,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424537.b3dm"}}}