{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898348,-0.439285,0.000000,0.000000,0.284078,-0.580945,0.762760,0.000000,-0.334125,0.683294,0.649207,0.000000,-2134110.150740,4364303.844040,4118825.525800,1],    "boundingVolume": {    "region": [2.025548,0.706504,2.025649,0.706579,0.000000,43.122198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1818876.b3dm"}}}