{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948725,-0.316102,0.000000,0.000000,0.176402,-0.529440,0.829804,0.000000,-0.261753,0.785604,0.560636,0.000000,-1671252.578969,5015966.804218,3555618.072776,1],    "boundingVolume": {    "region": [1.892367,0.595042,1.892463,0.595265,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1178927.b3dm"}}}