{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949227,-0.314591,0.000000,0.000000,0.175863,-0.530638,0.829153,0.000000,-0.260295,0.785397,0.561603,0.000000,-1661953.105163,5014665.631247,3561765.523982,1],    "boundingVolume": {    "region": [1.890754,0.596269,1.890891,0.596375,0.000000,5.929243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1415819.b3dm"}}}