{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949292,-0.314397,0.000000,0.000000,0.175403,-0.529611,0.829907,0.000000,-0.260373,0.786171,0.560483,0.000000,-1662442.767062,5019585.946556,3554647.035401,1],    "boundingVolume": {    "region": [1.890537,0.594836,1.890699,0.595102,0.000000,14.010678]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1457669.b3dm"}}}