{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897035,-0.441960,0.000000,0.000000,0.287243,-0.583009,0.759994,0.000000,-0.334932,0.679802,0.652449,0.000000,-2139292.744347,4342062.417739,4139452.905201,1],    "boundingVolume": {    "region": [2.028490,0.710759,2.028669,0.710864,0.000000,10.537637]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780855.b3dm"}}}