{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943917,-0.330182,0.000000,0.000000,0.184388,-0.527125,0.829542,0.000000,-0.273324,0.781373,0.561025,0.000000,-1745139.108145,4988964.762285,3558093.514423,1],    "boundingVolume": {    "region": [1.907245,0.595567,1.907341,0.595682,0.000000,8.618054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1297318.b3dm"}}}