{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949740,-0.313039,0.000000,0.000000,0.174969,-0.530846,0.829210,0.000000,-0.259028,0.785875,0.561520,0.000000,-1653864.742659,5017718.453578,3561234.559474,1],    "boundingVolume": {    "region": [1.889111,0.596137,1.889264,0.596305,0.000000,18.428142]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_1437618.b3dm"}}}