{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871276,-0.490793,0.000000,0.000000,0.211978,-0.376312,0.901917,0.000000,-0.442098,0.784829,0.434273,0.000000,-2821540.244156,5008911.819025,2753046.349809,1],    "boundingVolume": {    "region": [2.083740,0.449190,2.083853,0.449271,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_227384.b3dm"}}}