{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950533,-0.310624,0.000000,0.000000,0.173769,-0.531747,0.828884,0.000000,-0.256928,0.786220,0.562002,0.000000,-1640458.340883,5019925.602640,3564302.832744,1],    "boundingVolume": {    "region": [1.886597,0.596755,1.886695,0.596854,0.000000,8.697709]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1327454.b3dm"}}}