{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950556,-0.310552,0.000000,0.000000,0.173424,-0.530828,0.829545,0.000000,-0.257075,0.786872,0.561021,0.000000,-1641391.474877,5024072.780175,3558066.523221,1],    "boundingVolume": {    "region": [1.886512,0.595562,1.886628,0.595676,0.000000,8.710140]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1423900.b3dm"}}}