{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948722,-0.316112,0.000000,0.000000,0.176482,-0.529662,0.829646,0.000000,-0.261710,0.785449,0.560872,0.000000,-1670981.216507,5014987.228180,3557116.960040,1],    "boundingVolume": {    "region": [1.892377,0.595327,1.892473,0.595550,0.000000,8.794362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1072081.b3dm"}}}