{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950233,-0.311540,0.000000,0.000000,0.174027,-0.530803,0.829435,0.000000,-0.257858,0.786499,0.561184,0.000000,-1646392.714574,5021696.019043,3559103.962757,1],    "boundingVolume": {    "region": [1.887559,0.595758,1.887659,0.595875,0.000000,8.818828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1429222.b3dm"}}}