{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897569,-0.440874,0.000000,0.000000,0.286104,-0.582475,0.760833,0.000000,-0.334481,0.680964,0.651468,0.000000,-2136399.877032,4349464.211182,4133213.561736,1],    "boundingVolume": {    "region": [2.027293,0.709404,2.027444,0.709632,0.000000,16.731865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1780078.b3dm"}}}