{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949043,-0.315146,0.000000,0.000000,0.176098,-0.530308,0.829315,0.000000,-0.260805,0.785399,0.561363,0.000000,-1665208.478509,5014676.369405,3560239.883329,1],    "boundingVolume": {    "region": [1.891338,0.595979,1.891475,0.596085,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373521.b3dm"}}}