{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943227,-0.332148,0.000000,0.000000,0.186267,-0.528957,0.827955,0.000000,-0.274421,0.779294,0.563378,0.000000,-1752154.388290,4975731.722318,3573043.477383,1],    "boundingVolume": {    "region": [1.909304,0.598420,1.909449,0.598517,0.000000,6.875796]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_545342.b3dm"}}}