{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897670,-0.440668,0.000000,0.000000,0.285479,-0.581540,0.761783,0.000000,-0.334744,0.681897,0.650355,0.000000,-2138074.470700,4355405.847485,4126132.490225,1],    "boundingVolume": {    "region": [2.027063,0.707938,2.027214,0.708166,0.000000,11.320748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796760.b3dm"}}}