{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949048,-0.315130,0.000000,0.000000,0.176088,-0.530306,0.829318,0.000000,-0.260793,0.785406,0.561359,0.000000,-1665132.608198,5014721.318155,3560212.243443,1],    "boundingVolume": {    "region": [1.891322,0.595974,1.891459,0.596080,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373566.b3dm"}}}