{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897626,-0.440759,0.000000,0.000000,0.283170,-0.576689,0.766319,0.000000,-0.336823,0.685955,0.644993,0.000000,-2151301.153448,4381222.531580,4092013.448702,1],    "boundingVolume": {    "region": [2.027177,0.700979,2.027304,0.701048,0.000000,10.326657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861679.b3dm"}}}