{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950489,-0.310758,0.000000,0.000000,0.173362,-0.530247,0.829930,0.000000,-0.257366,0.787184,0.560449,0.000000,-1643245.159188,5026057.298071,3554430.800896,1],    "boundingVolume": {    "region": [1.886695,0.594855,1.886878,0.595001,0.000000,8.821063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1449227.b3dm"}}}