{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950210,-0.311612,0.000000,0.000000,0.173884,-0.530233,0.829830,0.000000,-0.258042,0.786857,0.560598,0.000000,-1647561.054633,5023970.257767,3555376.916839,1],    "boundingVolume": {    "region": [1.887635,0.595049,1.887735,0.595166,0.000000,8.814601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453241.b3dm"}}}