{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898035,-0.439925,0.000000,0.000000,0.281307,-0.574242,0.768839,0.000000,-0.337300,0.688543,0.641980,0.000000,-2154317.720801,4397690.854303,4072845.034771,1],    "boundingVolume": {    "region": [2.026264,0.697049,2.026357,0.697106,0.000000,41.155348]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_391090.b3dm"}}}