{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948814,-0.315834,0.000000,0.000000,0.176310,-0.529663,0.829682,0.000000,-0.261491,0.785560,0.560819,0.000000,-1669586.922758,5015693.538879,3556778.074479,1],    "boundingVolume": {    "region": [1.892084,0.595263,1.892180,0.595486,0.000000,8.792748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180261.b3dm"}}}