{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898002,-0.439992,0.000000,0.000000,0.281371,-0.574264,0.768799,0.000000,-0.337334,0.688482,0.642027,0.000000,-2154535.981047,4397300.842519,4073148.623510,1],    "boundingVolume": {    "region": [2.026340,0.697111,2.026433,0.697168,0.000000,34.024416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_753017.b3dm"}}}