{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950857,-0.309629,0.000000,0.000000,0.172894,-0.530951,0.829578,0.000000,-0.256321,0.787152,0.560973,0.000000,-1636577.937939,5025860.546316,3557761.055684,1],    "boundingVolume": {    "region": [1.885526,0.595451,1.885672,0.595671,0.000000,8.812425]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1448912.b3dm"}}}