{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950593,-0.310441,0.000000,0.000000,0.173664,-0.531771,0.828891,0.000000,-0.256779,0.786276,0.561992,0.000000,-1639506.643769,5020283.281418,3564237.392626,1],    "boundingVolume": {    "region": [1.886405,0.596743,1.886502,0.596842,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395566.b3dm"}}}