{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950235,-0.311534,0.000000,0.000000,0.173917,-0.530477,0.829667,0.000000,-0.257927,0.786722,0.560840,0.000000,-1646827.736417,5023113.943672,3556915.875948,1],    "boundingVolume": {    "region": [1.887554,0.595342,1.887654,0.595459,0.000000,8.798471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454658.b3dm"}}}