{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897658,-0.440692,0.000000,0.000000,0.285484,-0.581510,0.761804,0.000000,-0.334772,0.681907,0.650331,0.000000,-2138252.137673,4355466.457962,4125977.486042,1],    "boundingVolume": {    "region": [2.027090,0.707906,2.027242,0.708134,0.000000,10.110718]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796586.b3dm"}}}