{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949520,-0.313708,0.000000,0.000000,0.175133,-0.530086,0.829661,0.000000,-0.259724,0.786124,0.560849,0.000000,-1658304.923655,5019295.952634,3556972.873173,1],    "boundingVolume": {    "region": [1.889811,0.595278,1.889973,0.595544,0.000000,8.751766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1367922.b3dm"}}}