{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950146,-0.311805,0.000000,0.000000,0.174023,-0.530292,0.829763,0.000000,-0.258181,0.786741,0.560698,0.000000,-1648447.675020,5023227.736065,3556010.769953,1],    "boundingVolume": {    "region": [1.887880,0.595200,1.887896,0.595257,0.000000,8.750669]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8.b3dm"}}}