{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950695,-0.310126,0.000000,0.000000,0.173252,-0.531107,0.829402,0.000000,-0.256678,0.786850,0.561233,0.000000,-1638857.608349,5023938.426091,3559414.897037,1],    "boundingVolume": {    "region": [1.886064,0.595818,1.886180,0.595932,0.000000,8.747232]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1425659.b3dm"}}}