{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950090,-0.311976,0.000000,0.000000,0.174635,-0.531832,0.828648,0.000000,-0.257972,0.785627,0.562352,0.000000,-1647125.579819,5016150.433724,3566527.240500,1],    "boundingVolume": {    "region": [1.887992,0.597135,1.888144,0.597321,0.000000,8.166590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1331809.b3dm"}}}