{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950893,-0.309520,0.000000,0.000000,0.173171,-0.532009,0.828842,0.000000,-0.256002,0.786477,0.562065,0.000000,-1634543.069008,5021569.118011,3564702.603161,1],    "boundingVolume": {    "region": [1.885402,0.596796,1.885567,0.596965,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387773.b3dm"}}}