{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858276,-0.513189,0.000000,0.000000,0.262517,-0.439043,0.859259,0.000000,-0.440184,0.736179,0.514080,0.000000,-2810039.659464,4699612.762607,3259805.584940,1],    "boundingVolume": {    "region": [2.109610,0.539872,2.109775,0.539997,0.000000,26.725233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_128439.b3dm"}}}