{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949958,-0.312377,0.000000,0.000000,0.174428,-0.530446,0.829580,0.000000,-0.258597,0.786410,0.560970,0.000000,-1651108.016916,5021119.310196,3557742.177541,1],    "boundingVolume": {    "region": [1.888409,0.595492,1.888573,0.595623,0.000000,8.732640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1354288.b3dm"}}}