{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950579,-0.310483,0.000000,0.000000,0.173779,-0.532044,0.828692,0.000000,-0.256751,0.786073,0.562288,0.000000,-1639330.213688,5018997.673952,3566115.951127,1],    "boundingVolume": {    "region": [1.886448,0.597100,1.886546,0.597199,0.000000,8.691090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1384187.b3dm"}}}