{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950251,-0.311484,0.000000,0.000000,0.173886,-0.530480,0.829671,0.000000,-0.257886,0.786740,0.560834,0.000000,-1646568.218104,5023228.270745,3556874.842263,1],    "boundingVolume": {    "region": [1.887501,0.595334,1.887600,0.595451,0.000000,8.805755]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1454620.b3dm"}}}