{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949015,-0.315231,0.000000,0.000000,0.175751,-0.529105,0.830156,0.000000,-0.261143,0.786180,0.560113,0.000000,-1667355.071224,5019635.217742,3552291.757915,1],    "boundingVolume": {    "region": [1.891449,0.594426,1.891544,0.594617,0.000000,15.631643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/26_1212615.b3dm"}}}