{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950428,-0.310945,0.000000,0.000000,0.173373,-0.529930,0.830130,0.000000,-0.257584,0.787325,0.560151,0.000000,-1644631.511097,5026951.527231,3552537.285528,1],    "boundingVolume": {    "region": [1.886933,0.594510,1.887033,0.594627,0.000000,8.585346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/2_1375757.b3dm"}}}