{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897369,-0.441280,0.000000,0.000000,0.286292,-0.582192,0.760979,0.000000,-0.334853,0.680944,0.651298,0.000000,-2138779.582290,4349332.382882,4132128.731910,1],    "boundingVolume": {    "region": [2.027745,0.709180,2.027897,0.709407,0.000000,10.210414]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1780275.b3dm"}}}