{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948725,-0.316102,0.000000,0.000000,0.176485,-0.529689,0.829628,0.000000,-0.261696,0.785435,0.560898,0.000000,-1670894.305121,5014895.649258,3557285.755597,1],    "boundingVolume": {    "region": [1.892367,0.595359,1.892462,0.595582,0.000000,8.121168]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1071730.b3dm"}}}