{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898351,-0.439278,0.000000,0.000000,0.284114,-0.581031,0.762681,0.000000,-0.334086,0.683225,0.649300,0.000000,-2133857.054867,4363866.034991,4119416.509201,1],    "boundingVolume": {    "region": [2.025541,0.706626,2.025642,0.706701,0.000000,10.679185]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1819569.b3dm"}}}