{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949095,-0.314989,0.000000,0.000000,0.175809,-0.529731,0.829745,0.000000,-0.260812,0.785853,0.560724,0.000000,-1665246.559775,5017563.194394,3556179.776973,1],    "boundingVolume": {    "region": [1.891173,0.595207,1.891310,0.595314,0.000000,8.820004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1375208.b3dm"}}}