{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897654,-0.440701,0.000000,0.000000,0.285490,-0.581508,0.761803,0.000000,-0.334778,0.681903,0.650332,0.000000,-2138291.708579,4355441.682939,4125983.093724,1],    "boundingVolume": {    "region": [2.027100,0.707907,2.027251,0.708135,0.000000,10.110718]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796602.b3dm"}}}