{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949627,-0.313383,0.000000,0.000000,0.175249,-0.531048,0.829021,0.000000,-0.259253,0.785601,0.561800,0.000000,-1655303.129378,5015971.194098,3563015.251990,1],    "boundingVolume": {    "region": [1.889473,0.596476,1.889626,0.596644,0.000000,11.216612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411531.b3dm"}}}