{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949279,-0.314434,0.000000,0.000000,0.175763,-0.530629,0.829180,0.000000,-0.260174,0.785466,0.561563,0.000000,-1661178.476847,5015105.322577,3561509.529109,1],    "boundingVolume": {    "region": [1.890608,0.596233,1.890707,0.596314,0.000000,8.473528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1447307.b3dm"}}}