{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951972,-0.306184,0.000000,0.000000,0.113938,-0.354251,0.928183,0.000000,-0.283929,0.882779,0.374280,0.000000,-1811786.999329,5633126.616540,2372343.566991,1],    "boundingVolume": {    "region": [1.881897,0.383537,1.882059,0.383705,0.000000,9.914122]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_41160.b3dm"}}}