{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950332,-0.311239,0.000000,0.000000,0.174072,-0.531509,0.828973,0.000000,-0.257465,0.786139,0.561870,0.000000,-1643882.931243,5019406.155045,3563462.143956,1],    "boundingVolume": {    "region": [1.887217,0.596552,1.887369,0.596738,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399578.b3dm"}}}