{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898819,-0.438320,0.000000,0.000000,0.283048,-0.580418,0.763544,0.000000,-0.333737,0.684360,0.648283,0.000000,-2131620.804668,4371097.584897,4112945.749364,1],    "boundingVolume": {    "region": [2.024443,0.705267,2.024608,0.705386,0.000000,8.550842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843391.b3dm"}}}