{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898180,-0.439627,0.000000,0.000000,0.283730,-0.579674,0.763856,0.000000,-0.334870,0.684156,0.647914,0.000000,-2138854.876319,4369785.667600,4110599.368522,1],    "boundingVolume": {    "region": [2.025914,0.704731,2.026046,0.704954,0.000000,8.037128]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1844345.b3dm"}}}