{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950270,-0.311428,0.000000,0.000000,0.173724,-0.530090,0.829954,0.000000,-0.257929,0.787026,0.560413,0.000000,-1646839.456890,5025045.548161,3554199.356447,1],    "boundingVolume": {    "region": [1.887442,0.594826,1.887542,0.594943,0.000000,8.790312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1452026.b3dm"}}}