{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897721,-0.440564,0.000000,0.000000,0.282902,-0.576458,0.766592,0.000000,-0.336795,0.686275,0.644668,0.000000,-2151118.334868,4383255.192367,4089946.138110,1],    "boundingVolume": {    "region": [2.026960,0.700554,2.027087,0.700623,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858028.b3dm"}}}