{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897968,-0.440061,0.000000,0.000000,0.284673,-0.580890,0.762580,0.000000,-0.334636,0.682843,0.649419,0.000000,-2137372.541367,4361426.766855,4120172.119637,1],    "boundingVolume": {    "region": [2.026396,0.706708,2.026529,0.706931,0.000000,15.315936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823887.b3dm"}}}