{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942649,-0.333785,0.000000,0.000000,0.186958,-0.527992,0.828415,0.000000,-0.275928,0.779253,0.562698,0.000000,-1761772.362374,4975458.657620,3568720.808901,1],    "boundingVolume": {    "region": [1.911050,0.597614,1.911175,0.597677,0.000000,8.790440]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/15_1287440.b3dm"}}}