{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950705,-0.310097,0.000000,0.000000,0.172810,-0.529807,0.830326,0.000000,-0.256942,0.787742,0.559859,0.000000,-1640535.676602,5029608.931350,3550681.786313,1],    "boundingVolume": {    "region": [1.886000,0.594143,1.886182,0.594289,0.000000,7.433074]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1375924.b3dm"}}}