{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899081,-0.437783,0.000000,0.000000,0.282771,-0.580729,0.763410,0.000000,-0.333269,0.684439,0.648441,0.000000,-2128633.786799,4371599.987811,4113951.877711,1],    "boundingVolume": {    "region": [2.023845,0.705475,2.024011,0.705594,0.000000,7.689770]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/8_1827901.b3dm"}}}