{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893970,-0.448128,0.000000,0.000000,0.288775,-0.576078,0.764685,0.000000,-0.341718,0.681693,0.646933,0.000000,-2182584.300344,4354037.548227,4104361.374974,1],    "boundingVolume": {    "region": [2.035383,0.703475,2.035549,0.703637,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870113.b3dm"}}}