{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950865,-0.309605,0.000000,0.000000,0.172987,-0.531281,0.829347,0.000000,-0.256229,0.786937,0.561316,0.000000,-1635992.003461,5024496.609142,3559941.669908,1],    "boundingVolume": {    "region": [1.885501,0.595866,1.885646,0.596085,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339751.b3dm"}}}