{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898117,-0.439757,0.000000,0.000000,0.283946,-0.579904,0.763601,0.000000,-0.334856,0.683877,0.648215,0.000000,-2138767.034274,4368011.648157,4112517.192754,1],    "boundingVolume": {    "region": [2.026058,0.705127,2.026190,0.705350,0.000000,19.091116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1844741.b3dm"}}}