{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950358,-0.311159,0.000000,0.000000,0.173781,-0.530772,0.829507,0.000000,-0.257565,0.786671,0.561078,0.000000,-1644521.327163,5022789.937629,3558430.000990,1],    "boundingVolume": {    "region": [1.887158,0.595630,1.887258,0.595746,0.000000,8.707822]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1343970.b3dm"}}}