{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950043,-0.312120,0.000000,0.000000,0.115350,-0.351107,0.929203,0.000000,-0.289755,0.881968,0.371717,0.000000,-1848953.240445,5627919.381753,2356080.477191,1],    "boundingVolume": {    "region": [1.888157,0.380806,1.888283,0.380909,0.000000,11.356185]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/9_70683.b3dm"}}}