{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944577,-0.328289,0.000000,0.000000,0.183583,-0.528220,0.829024,0.000000,-0.271586,0.781427,0.561795,0.000000,-1734044.903807,4989320.901756,3562981.892886,1],    "boundingVolume": {    "region": [1.905231,0.596516,1.905345,0.596591,0.000000,8.818611]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_189899.b3dm"}}}