{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895012,-0.446042,0.000000,0.000000,0.284324,-0.570515,0.770501,0.000000,-0.342736,0.687721,0.639978,0.000000,-2189017.529659,4392404.545137,4060113.150732,1],    "boundingVolume": {    "region": [2.033068,0.694408,2.033201,0.694532,0.000000,46.323488]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_978998.b3dm"}}}