{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943972,-0.330024,0.000000,0.000000,0.184194,-0.526851,0.829760,0.000000,-0.273266,0.781625,0.560703,0.000000,-1744763.793334,4990568.554349,3556041.696762,1],    "boundingVolume": {    "region": [1.907078,0.595177,1.907173,0.595292,0.000000,8.168327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_1276264.b3dm"}}}