{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895911,-0.444234,0.000000,0.000000,0.283895,-0.572547,0.769151,0.000000,-0.340743,0.687195,0.641605,0.000000,-2176307.424499,4389078.454217,4070459.874275,1],    "boundingVolume": {    "region": [2.031061,0.696535,2.031170,0.696642,0.000000,40.258738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_619849.b3dm"}}}