{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897635,-0.440740,0.000000,0.000000,0.285855,-0.582188,0.761147,0.000000,-0.334518,0.681297,0.651101,0.000000,-2136634.851928,4351581.863445,4130878.184102,1],    "boundingVolume": {    "region": [2.027144,0.708921,2.027295,0.709148,0.000000,12.100326]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1790910.b3dm"}}}