{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943337,-0.331838,0.000000,0.000000,0.186099,-0.529034,0.827943,0.000000,-0.274160,0.779373,0.563395,0.000000,-1750492.178431,4976238.868570,3573151.204750,1],    "boundingVolume": {    "region": [1.908975,0.598440,1.909120,0.598538,0.000000,8.803792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_568810.b3dm"}}}