{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950878,-0.309567,0.000000,0.000000,0.172982,-0.531337,0.829312,0.000000,-0.256187,0.786914,0.561368,0.000000,-1635724.706194,5024348.671578,3560271.058434,1],    "boundingVolume": {    "region": [1.885461,0.595928,1.885607,0.596148,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422708.b3dm"}}}