{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950530,-0.310634,0.000000,0.000000,0.173322,-0.530359,0.829867,0.000000,-0.257244,0.787158,0.560543,0.000000,-1642463.841844,5025887.787287,3555027.541462,1],    "boundingVolume": {    "region": [1.886565,0.594968,1.886747,0.595114,0.000000,8.806250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1449485.b3dm"}}}