{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894793,-0.446481,0.000000,0.000000,0.284618,-0.570404,0.770475,0.000000,-0.343061,0.687529,0.640010,0.000000,-2191096.973150,4391179.046825,4060315.723769,1],    "boundingVolume": {    "region": [2.033558,0.694449,2.033692,0.694574,0.000000,51.199289]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1137747.b3dm"}}}