{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944272,-0.329166,0.000000,0.000000,0.183997,-0.527827,0.829183,0.000000,-0.272364,0.781325,0.561560,0.000000,-1739012.914535,4988664.774363,3561489.055072,1],    "boundingVolume": {    "region": [1.906160,0.596232,1.906274,0.596307,0.000000,8.815695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_851719.b3dm"}}}