{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951517,-0.307596,0.000000,0.000000,0.114870,-0.355339,0.927652,0.000000,-0.285074,0.881846,0.375608,0.000000,-1819097.363727,5627191.264881,2380763.561582,1],    "boundingVolume": {    "region": [1.883414,0.385015,1.883510,0.385090,0.000000,12.000235]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/19/47_38606.b3dm"}}}