{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898813,-0.438333,0.000000,0.000000,0.283076,-0.580455,0.763505,0.000000,-0.333730,0.684321,0.648328,0.000000,-2131575.539626,4370844.616324,4113236.080214,1],    "boundingVolume": {    "region": [2.024457,0.705327,2.024622,0.705446,0.000000,14.368120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843800.b3dm"}}}