{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949365,-0.314176,0.000000,0.000000,0.175248,-0.529558,0.829974,0.000000,-0.260211,0.786295,0.560384,0.000000,-1661410.470547,5020378.145484,3554015.106129,1],    "boundingVolume": {    "region": [1.890304,0.594716,1.890466,0.594982,0.000000,8.188368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1379133.b3dm"}}}