{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950528,-0.310639,0.000000,0.000000,0.173881,-0.532062,0.828659,0.000000,-0.256870,0.786000,0.562336,0.000000,-1640089.172210,5018529.065648,3566424.382453,1],    "boundingVolume": {    "region": [1.886613,0.597159,1.886710,0.597258,0.000000,14.349765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1384748.b3dm"}}}