{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944157,-0.329497,0.000000,0.000000,0.184199,-0.527813,0.829147,0.000000,-0.272626,0.781195,0.561613,0.000000,-1740682.299738,4987839.512721,3561827.106274,1],    "boundingVolume": {    "region": [1.906510,0.596297,1.906624,0.596371,0.000000,8.739865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/5_1250849.b3dm"}}}