{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951178,-0.308642,0.000000,0.000000,0.115719,-0.356625,0.927053,0.000000,-0.285856,0.880956,0.377099,0.000000,-1824097.942726,5621532.710343,2390222.671563,1],    "boundingVolume": {    "region": [1.884480,0.386610,1.884643,0.386713,0.000000,54.868675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_20990.b3dm"}}}