{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944437,-0.328693,0.000000,0.000000,0.183776,-0.528044,0.829094,0.000000,-0.271943,0.781376,0.561692,0.000000,-1736326.313016,4988997.582453,3562327.921392,1],    "boundingVolume": {    "region": [1.905659,0.596392,1.905773,0.596467,0.000000,8.790795]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_131271.b3dm"}}}