{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897698,-0.440612,0.000000,0.000000,0.282917,-0.576413,0.766620,0.000000,-0.336844,0.686282,0.644634,0.000000,-2151429.494072,4383303.006654,4089732.660810,1],    "boundingVolume": {    "region": [2.027013,0.700510,2.027139,0.700579,0.000000,13.817925]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_857172.b3dm"}}}