{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950886,-0.309541,0.000000,0.000000,0.172959,-0.531316,0.829330,0.000000,-0.256172,0.786939,0.561341,0.000000,-1635622.999183,5024504.748741,3560098.678981,1],    "boundingVolume": {    "region": [1.885434,0.595895,1.885580,0.596115,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422529.b3dm"}}}