{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943850,-0.330375,0.000000,0.000000,0.184165,-0.526141,0.830216,0.000000,-0.273708,0.781958,0.560023,0.000000,-1747584.291444,4992678.570748,3551721.347373,1],    "boundingVolume": {    "region": [1.907443,0.594323,1.907552,0.594504,0.000000,7.586035]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1242242.b3dm"}}}