{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897668,-0.440673,0.000000,0.000000,0.285478,-0.581529,0.761792,0.000000,-0.334753,0.681903,0.650345,0.000000,-2138126.950707,4355443.596033,4126065.897858,1],    "boundingVolume": {    "region": [2.027069,0.707925,2.027221,0.708152,0.000000,11.320748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796711.b3dm"}}}