{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950478,-0.310792,0.000000,0.000000,0.173791,-0.531495,0.829042,0.000000,-0.257116,0.786325,0.561769,0.000000,-1641656.394033,5020594.803894,3562818.366189,1],    "boundingVolume": {    "region": [1.886773,0.596473,1.886871,0.596572,0.000000,13.795383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1390217.b3dm"}}}