{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949771,-0.312946,0.000000,0.000000,0.115295,-0.349913,0.929660,0.000000,-0.290667,0.882155,0.370561,0.000000,-1854765.927461,5629092.308574,2348747.648080,1],    "boundingVolume": {    "region": [1.889021,0.379522,1.889159,0.379704,0.000000,4.329996]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_73086.b3dm"}}}