{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950492,-0.310749,0.000000,0.000000,0.173476,-0.530614,0.829672,0.000000,-0.257278,0.786939,0.560833,0.000000,-1642687.166812,5024500.147764,3556872.928467,1],    "boundingVolume": {    "region": [1.886728,0.595334,1.886828,0.595451,0.000000,8.772266]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1450827.b3dm"}}}