{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950248,-0.311494,0.000000,0.000000,0.174004,-0.530819,0.829430,0.000000,-0.257819,0.786507,0.561192,0.000000,-1646141.912101,5021742.765929,3559153.678756,1],    "boundingVolume": {    "region": [1.887511,0.595767,1.887611,0.595884,0.000000,8.818828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1429293.b3dm"}}}