{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949524,-0.313695,0.000000,0.000000,0.175158,-0.530185,0.829592,0.000000,-0.259692,0.786062,0.560951,0.000000,-1658099.998610,5018901.059750,3557621.194181,1],    "boundingVolume": {    "region": [1.889798,0.595401,1.889960,0.595667,0.000000,8.792672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/15_1367098.b3dm"}}}