{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949664,-0.313272,0.000000,0.000000,0.114290,-0.346463,0.931075,0.000000,-0.291417,0.883413,0.366956,0.000000,-1859539.020589,5637073.638382,2325873.693802,1],    "boundingVolume": {    "region": [1.889348,0.375609,1.889517,0.375859,0.000000,4.356045]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_32301.b3dm"}}}