{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950909,-0.309470,0.000000,0.000000,0.173079,-0.531819,0.828982,0.000000,-0.256004,0.786625,0.561857,0.000000,-1634559.305071,5022510.989890,3563376.912531,1],    "boundingVolume": {    "region": [1.885350,0.596544,1.885515,0.596713,0.000000,8.803589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386555.b3dm"}}}