{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949979,-0.312315,0.000000,0.000000,0.174671,-0.531303,0.828980,0.000000,-0.258357,0.785852,0.561861,0.000000,-1649579.055782,5017579.509358,3563402.776817,1],    "boundingVolume": {    "region": [1.888356,0.596529,1.888494,0.596738,0.000000,8.760017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1406057.b3dm"}}}