{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949903,-0.312544,0.000000,0.000000,0.174680,-0.530898,0.829237,0.000000,-0.258627,0.786036,0.561479,0.000000,-1651301.309750,5018746.354443,3560977.395612,1],    "boundingVolume": {    "region": [1.888580,0.596070,1.888751,0.596275,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435743.b3dm"}}}