{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896426,-0.443194,0.000000,0.000000,0.283557,-0.573537,0.768538,0.000000,-0.339673,0.687038,0.642340,0.000000,-2169478.262138,4388087.647245,4075139.414504,1],    "boundingVolume": {    "region": [2.029871,0.697473,2.030040,0.697622,0.000000,40.201601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_522644.b3dm"}}}