{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950143,-0.311815,0.000000,0.000000,0.173817,-0.529644,0.830220,0.000000,-0.258333,0.787175,0.560017,0.000000,-1649415.403793,5025989.578243,3551686.074200,1],    "boundingVolume": {    "region": [1.887817,0.594341,1.887981,0.594472,0.000000,8.370409]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1378855.b3dm"}}}