{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949479,-0.313831,0.000000,0.000000,0.175449,-0.530812,0.829129,0.000000,-0.259658,0.785582,0.561639,0.000000,-1657888.287820,5015850.402122,3561990.111005,1],    "boundingVolume": {    "region": [1.889972,0.596324,1.890071,0.596406,0.000000,16.490579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1409294.b3dm"}}}