{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950517,-0.310673,0.000000,0.000000,0.114300,-0.349705,0.929861,0.000000,-0.288618,0.883041,0.370052,0.000000,-1841691.998726,5634738.775671,2345515.750897,1],    "boundingVolume": {    "region": [1.886623,0.379025,1.886771,0.379104,0.000000,7.098521]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/15_4124.b3dm"}}}