{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948645,-0.316342,0.000000,0.000000,0.176623,-0.529655,0.829621,0.000000,-0.261893,0.785362,0.560909,0.000000,-1672149.387848,5014427.644252,3557355.280323,1],    "boundingVolume": {    "region": [1.892620,0.595372,1.892716,0.595595,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1071624.b3dm"}}}