{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950662,-0.310229,0.000000,0.000000,0.173530,-0.531764,0.828924,0.000000,-0.256614,0.786364,0.561944,0.000000,-1638450.888975,5020848.810428,3563928.339052,1],    "boundingVolume": {    "region": [1.886148,0.596649,1.886313,0.596818,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1394964.b3dm"}}}