{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898379,-0.439220,0.000000,0.000000,0.284172,-0.581244,0.762497,0.000000,-0.333960,0.683081,0.649516,0.000000,-2133057.348662,4362946.437379,4120795.219807,1],    "boundingVolume": {    "region": [2.025476,0.706911,2.025577,0.706986,0.000000,9.157454]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1802246.b3dm"}}}