{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948632,-0.316381,0.000000,0.000000,0.176372,-0.528832,0.830199,0.000000,-0.262109,0.785903,0.560049,0.000000,-1673523.696931,5017870.111645,3551887.487023,1],    "boundingVolume": {    "region": [1.892660,0.594333,1.892756,0.594557,0.000000,8.785435]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1214577.b3dm"}}}