{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942977,-0.332857,0.000000,0.000000,0.186528,-0.528429,0.828233,0.000000,-0.275099,0.779352,0.562966,0.000000,-1756485.897680,4976094.015215,3570428.879395,1],    "boundingVolume": {    "region": [1.910065,0.597931,1.910190,0.598010,0.000000,7.608634]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1249211.b3dm"}}}