{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942973,-0.332869,0.000000,0.000000,0.186578,-0.528552,0.828143,0.000000,-0.275079,0.779263,0.563099,0.000000,-1756357.989537,4975529.783376,3571272.340514,1],    "boundingVolume": {    "region": [1.910132,0.598127,1.910149,0.598135,0.000000,7.647403]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14.b3dm"}}}