{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898101,-0.439790,0.000000,0.000000,0.284297,-0.580567,0.762966,0.000000,-0.334601,0.683292,0.648964,0.000000,-2137143.119799,4364286.333955,4117281.587534,1],    "boundingVolume": {    "region": [2.026095,0.706111,2.026227,0.706334,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821087.b3dm"}}}