{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951536,-0.307537,0.000000,0.000000,0.114110,-0.353063,0.928615,0.000000,-0.285317,0.882789,0.373199,0.000000,-1820642.878857,5633175.908004,2365482.904343,1],    "boundingVolume": {    "region": [1.883352,0.382417,1.883447,0.382492,0.000000,15.531660]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/18/11_42240.b3dm"}}}