{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949051,-0.315123,0.000000,0.000000,0.176060,-0.530236,0.829369,0.000000,-0.260803,0.785457,0.561283,0.000000,-1665196.551317,5015045.622179,3559728.749961,1],    "boundingVolume": {    "region": [1.891314,0.595882,1.891451,0.595988,0.000000,11.406076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1374415.b3dm"}}}