{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894812,-0.446443,0.000000,0.000000,0.284617,-0.570461,0.770433,0.000000,-0.343013,0.687506,0.640060,0.000000,-2190793.015506,4391032.164133,4060636.414248,1],    "boundingVolume": {    "region": [2.033516,0.694515,2.033650,0.694639,0.000000,41.161486]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_983021.b3dm"}}}