{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948752,-0.316022,0.000000,0.000000,0.176438,-0.529697,0.829633,0.000000,-0.261631,0.785462,0.560891,0.000000,-1670478.591687,5015069.063193,3557236.850402,1],    "boundingVolume": {    "region": [1.892282,0.595350,1.892377,0.595573,0.000000,8.645694]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1071827.b3dm"}}}