{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950680,-0.310174,0.000000,0.000000,0.173551,-0.531933,0.828811,0.000000,-0.256533,0.786271,0.562111,0.000000,-1637934.404523,5020256.592391,3564992.678134,1],    "boundingVolume": {    "region": [1.886089,0.596851,1.886255,0.597021,0.000000,6.938698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1326801.b3dm"}}}