{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897896,-0.440207,0.000000,0.000000,0.282588,-0.576397,0.766753,0.000000,-0.336594,0.686554,0.644475,0.000000,-2149831.255006,4385037.049631,4088720.920669,1],    "boundingVolume": {    "region": [2.026562,0.700302,2.026689,0.700371,0.000000,13.719550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852028.b3dm"}}}