{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950017,-0.312199,0.000000,0.000000,0.174091,-0.529757,0.830090,0.000000,-0.258610,0.786947,0.560210,0.000000,-1651187.922600,5024534.988161,3552912.084257,1],    "boundingVolume": {    "region": [1.888221,0.594574,1.888385,0.594705,0.000000,17.566301]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1460812.b3dm"}}}