{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950227,-0.311560,0.000000,0.000000,0.173730,-0.529861,0.830100,0.000000,-0.258083,0.787129,0.560197,0.000000,-1647823.337662,5025701.105156,3552825.422267,1],    "boundingVolume": {    "region": [1.887548,0.594558,1.887712,0.594689,0.000000,8.815362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1458752.b3dm"}}}