{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950941,-0.309371,0.000000,0.000000,0.116154,-0.357034,0.926841,0.000000,-0.286465,0.880533,0.377623,0.000000,-1827985.771213,5618842.476161,2393553.342724,1],    "boundingVolume": {    "region": [1.885246,0.387177,1.885410,0.387280,0.000000,28.766123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/19_59908.b3dm"}}}