{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949724,-0.313090,0.000000,0.000000,0.174965,-0.530738,0.829279,0.000000,-0.259092,0.785928,0.561416,0.000000,-1654272.364564,5018053.209878,3560577.916271,1],    "boundingVolume": {    "region": [1.889164,0.596012,1.889318,0.596181,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1349900.b3dm"}}}