{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896578,-0.442886,0.000000,0.000000,0.282909,-0.572721,0.769385,0.000000,-0.339813,0.687918,0.641323,0.000000,-2170366.019940,4393689.802308,4068668.918979,1],    "boundingVolume": {    "region": [2.029520,0.696165,2.029702,0.696278,0.000000,64.194643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_497085.b3dm"}}}