{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948876,-0.315649,0.000000,0.000000,0.176476,-0.530508,0.829106,0.000000,-0.261155,0.785061,0.561673,0.000000,-1667442.100330,5012525.229491,3562209.917221,1],    "boundingVolume": {    "region": [1.891868,0.596354,1.892005,0.596460,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112962.b3dm"}}}