{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950286,-0.311380,0.000000,0.000000,0.173707,-0.530129,0.829933,0.000000,-0.257882,0.787019,0.560445,0.000000,-1646539.886874,5024998.818459,3554402.840150,1],    "boundingVolume": {    "region": [1.887391,0.594864,1.887491,0.594981,0.000000,8.819950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1452452.b3dm"}}}