{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950027,-0.312167,0.000000,0.000000,0.174463,-0.530949,0.829250,0.000000,-0.258319,0.786152,0.561459,0.000000,-1649337.041425,5019482.180720,3560851.443752,1],    "boundingVolume": {    "region": [1.888184,0.596046,1.888355,0.596251,0.000000,26.760285]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1434859.b3dm"}}}