{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897772,-0.440460,0.000000,0.000000,0.282835,-0.576492,0.766591,0.000000,-0.336715,0.686313,0.644669,0.000000,-2150606.925606,4383500.396591,4089952.245756,1],    "boundingVolume": {    "region": [2.026844,0.700555,2.026970,0.700624,0.000000,24.262693]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_858040.b3dm"}}}