{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897673,-0.440662,0.000000,0.000000,0.285428,-0.581445,0.761875,0.000000,-0.334781,0.681982,0.650248,0.000000,-2138306.430693,4355945.717815,4125446.945667,1],    "boundingVolume": {    "region": [2.027057,0.707796,2.027208,0.708024,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1795967.b3dm"}}}