{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949619,-0.313406,0.000000,0.000000,0.175020,-0.530312,0.829540,0.000000,-0.259436,0.786091,0.561029,0.000000,-1656465.087126,5019089.296341,3558113.887565,1],    "boundingVolume": {    "region": [1.889524,0.595587,1.889623,0.595669,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366327.b3dm"}}}