{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949735,-0.313054,0.000000,0.000000,0.174872,-0.530521,0.829438,0.000000,-0.259113,0.786090,0.561180,0.000000,-1654402.612790,5019081.987603,3559077.152670,1],    "boundingVolume": {    "region": [1.889127,0.595727,1.889280,0.595895,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1353011.b3dm"}}}