{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898017,-0.439962,0.000000,0.000000,0.281301,-0.574170,0.768894,0.000000,-0.337353,0.688579,0.641913,0.000000,-2154655.366804,4397919.063161,4072422.830519,1],    "boundingVolume": {    "region": [2.026306,0.696963,2.026399,0.697019,0.000000,48.759806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_391347.b3dm"}}}