{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948994,-0.315294,0.000000,0.000000,0.175841,-0.529260,0.830038,0.000000,-0.261157,0.786050,0.560288,0.000000,-1667449.994196,5018809.954795,3553405.577901,1],    "boundingVolume": {    "region": [1.891515,0.594638,1.891610,0.594829,0.000000,18.582169]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/27_1213291.b3dm"}}}