{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944528,-0.328431,0.000000,0.000000,0.183629,-0.528095,0.829093,0.000000,-0.271727,0.781452,0.561692,0.000000,-1734942.161925,4989477.618045,3562329.975967,1],    "boundingVolume": {    "region": [1.905381,0.596392,1.905496,0.596467,0.000000,8.792892]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/7_189709.b3dm"}}}