{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949393,-0.314090,0.000000,0.000000,0.175371,-0.530089,0.829609,0.000000,-0.260024,0.785970,0.560927,0.000000,-1660221.256269,5018309.622503,3557467.260371,1],    "boundingVolume": {    "region": [1.890214,0.595372,1.890376,0.595638,0.000000,8.728997]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367324.b3dm"}}}