{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858212,-0.513296,0.000000,0.000000,0.262621,-0.439092,0.859202,0.000000,-0.440246,0.736076,0.514175,0.000000,-2810440.354577,4698951.909020,3260408.705211,1],    "boundingVolume": {    "region": [2.109735,0.539982,2.109899,0.540108,0.000000,84.456291]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_40611.b3dm"}}}