{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944024,-0.329875,0.000000,0.000000,0.184408,-0.527732,0.829152,0.000000,-0.272941,0.781091,0.561606,0.000000,-1742693.394183,4987170.189106,3561781.246613,1],    "boundingVolume": {    "region": [1.906920,0.596268,1.907016,0.596383,0.000000,8.177701]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1250865.b3dm"}}}