{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871270,-0.490804,0.000000,0.000000,0.211966,-0.376279,0.901934,0.000000,-0.442116,0.784838,0.434238,0.000000,-2821656.257526,5008968.181256,2752826.374920,1],    "boundingVolume": {    "region": [2.083753,0.449152,2.083865,0.449233,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_226955.b3dm"}}}