{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871339,-0.490681,0.000000,0.000000,0.211860,-0.376216,0.901985,0.000000,-0.442030,0.784946,0.434131,0.000000,-2821109.691097,5009652.543446,2752145.723673,1],    "boundingVolume": {    "region": [2.083612,0.449033,2.083724,0.449113,0.000000,90.631680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_224727.b3dm"}}}