{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898067,-0.439859,0.000000,0.000000,0.284345,-0.580552,0.762960,0.000000,-0.334650,0.683261,0.648971,0.000000,-2137460.685313,4364087.813713,4117326.857427,1],    "boundingVolume": {    "region": [2.026172,0.706120,2.026304,0.706343,0.000000,35.525152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1821159.b3dm"}}}