{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950237,-0.311528,0.000000,0.000000,0.174371,-0.531876,0.828675,0.000000,-0.257610,0.785775,0.562312,0.000000,-1644813.031478,5017091.600029,3566272.371399,1],    "boundingVolume": {    "region": [1.887521,0.597087,1.887672,0.597272,0.000000,8.738338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/7_1325586.b3dm"}}}