{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949850,-0.312705,0.000000,0.000000,0.174807,-0.530981,0.829157,0.000000,-0.258736,0.785916,0.561598,0.000000,-1651996.297775,5017980.109883,3561729.738731,1],    "boundingVolume": {    "region": [1.888751,0.596213,1.888922,0.596418,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1442250.b3dm"}}}