{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944012,-0.329911,0.000000,0.000000,0.184419,-0.527700,0.829170,0.000000,-0.272976,0.781098,0.561579,0.000000,-1742918.972230,4987214.241196,3561610.335750,1],    "boundingVolume": {    "region": [1.906958,0.596235,1.907053,0.596350,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268540.b3dm"}}}