{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950450,-0.310877,0.000000,0.000000,0.173443,-0.530271,0.829897,0.000000,-0.257455,0.787121,0.560498,0.000000,-1643810.247192,5025653.530255,3554738.339911,1],    "boundingVolume": {    "region": [1.886821,0.594914,1.887003,0.595059,0.000000,8.735593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1449348.b3dm"}}}