{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949309,-0.314346,0.000000,0.000000,0.175424,-0.529773,0.829799,0.000000,-0.260296,0.786082,0.560644,0.000000,-1661954.457107,5019020.258745,3555667.126855,1],    "boundingVolume": {    "region": [1.890483,0.595030,1.890645,0.595296,0.000000,8.562142]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1369812.b3dm"}}}