{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949403,-0.314062,0.000000,0.000000,0.175578,-0.530768,0.829131,0.000000,-0.259849,0.785520,0.561637,0.000000,-1659107.690673,5015454.663851,3561979.656009,1],    "boundingVolume": {    "region": [1.890215,0.596322,1.890314,0.596404,0.000000,11.087442]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1409221.b3dm"}}}