{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896576,-0.442891,0.000000,0.000000,0.282923,-0.572741,0.769365,0.000000,-0.339808,0.687898,0.641348,0.000000,-2170332.517705,4393560.171524,4068825.714429,1],    "boundingVolume": {    "region": [2.029525,0.696197,2.029708,0.696310,0.000000,64.194643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_497192.b3dm"}}}