{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898016,-0.439962,0.000000,0.000000,0.281296,-0.574159,0.768905,0.000000,-0.337358,0.688588,0.641901,0.000000,-2154687.001149,4397978.564199,4072342.377363,1],    "boundingVolume": {    "region": [2.026306,0.696946,2.026399,0.697003,0.000000,48.759806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_751625.b3dm"}}}