{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948634,-0.316376,0.000000,0.000000,0.176357,-0.528795,0.830225,0.000000,-0.262113,0.785930,0.560009,0.000000,-1673549.758897,5018041.360845,3551634.966681,1],    "boundingVolume": {    "region": [1.892655,0.594285,1.892751,0.594509,0.000000,8.785435]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1214368.b3dm"}}}