{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948734,-0.316077,0.000000,0.000000,0.176453,-0.529639,0.829667,0.000000,-0.261687,0.785479,0.560841,0.000000,-1670837.313755,5015176.581017,3556918.922220,1],    "boundingVolume": {    "region": [1.892340,0.595289,1.892435,0.595512,0.000000,8.794362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1072607.b3dm"}}}