{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898799,-0.438361,0.000000,0.000000,0.283094,-0.580446,0.763505,0.000000,-0.333751,0.684310,0.648329,0.000000,-2131708.411022,4370778.365320,4113237.610392,1],    "boundingVolume": {    "region": [2.024488,0.705328,2.024653,0.705447,0.000000,14.368120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843813.b3dm"}}}