{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897649,-0.440712,0.000000,0.000000,0.285509,-0.581530,0.761779,0.000000,-0.334776,0.681877,0.650360,0.000000,-2138277.169212,4355277.563243,4126162.658252,1],    "boundingVolume": {    "region": [2.027112,0.707945,2.027264,0.708172,0.000000,11.320748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796801.b3dm"}}}