{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897891,-0.440218,0.000000,0.000000,0.282608,-0.576421,0.766728,0.000000,-0.336591,0.686528,0.644505,0.000000,-2149812.745996,4384867.971335,4088910.697324,1],    "boundingVolume": {    "region": [2.026574,0.700341,2.026701,0.700410,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852571.b3dm"}}}