{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896441,-0.443162,0.000000,0.000000,0.283636,-0.573746,0.768353,0.000000,-0.339566,0.686883,0.642562,0.000000,-2168796.539704,4387102.524819,4076553.165902,1],    "boundingVolume": {    "region": [2.029835,0.697763,2.030004,0.697912,0.000000,50.428526]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/3_519839.b3dm"}}}