{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949817,-0.312805,0.000000,0.000000,0.174851,-0.530928,0.829182,0.000000,-0.258826,0.785913,0.561561,0.000000,-1652572.537380,5017958.895777,3561493.890789,1],    "boundingVolume": {    "region": [1.888855,0.596168,1.889027,0.596373,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1439853.b3dm"}}}