{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950086,-0.311987,0.000000,0.000000,0.174385,-0.531052,0.829200,0.000000,-0.258155,0.786153,0.561533,0.000000,-1648286.123841,5019491.743474,3561321.380821,1],    "boundingVolume": {    "region": [1.888011,0.596133,1.888149,0.596342,0.000000,8.817862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432615.b3dm"}}}