{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896897,-0.442239,0.000000,0.000000,0.282290,-0.572507,0.769772,0.000000,-0.339489,0.688512,0.640858,0.000000,-2168292.540254,4397470.784699,4065708.543640,1],    "boundingVolume": {    "region": [2.028799,0.695559,2.028982,0.695671,0.000000,31.543337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_450827.b3dm"}}}