{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950027,-0.312169,0.000000,0.000000,0.174054,-0.529701,0.830134,0.000000,-0.258599,0.786996,0.560146,0.000000,-1651113.349077,5024850.551001,3552503.189410,1],    "boundingVolume": {    "region": [1.888189,0.594496,1.888353,0.594627,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460285.b3dm"}}}