{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950430,-0.310939,0.000000,0.000000,0.173670,-0.530848,0.829481,0.000000,-0.257375,0.786706,0.561116,0.000000,-1643308.941719,5023014.935680,3558670.868403,1],    "boundingVolume": {    "region": [1.886927,0.595675,1.887027,0.595792,0.000000,8.290989]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1424288.b3dm"}}}