{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898002,-0.439992,0.000000,0.000000,0.284516,-0.580682,0.762797,0.000000,-0.334680,0.683064,0.649164,0.000000,-2137649.778150,4362833.117018,4118549.964201,1],    "boundingVolume": {    "region": [2.026320,0.706373,2.026453,0.706596,0.000000,14.750412]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1821977.b3dm"}}}