{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951179,-0.308640,0.000000,0.000000,0.170958,-0.526864,0.832579,0.000000,-0.256436,0.790294,0.556486,0.000000,-1637281.223307,5045834.717581,3529242.079132,1],    "boundingVolume": {    "region": [1.884474,0.590088,1.884644,0.590212,0.000000,6.621946]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_1323010.b3dm"}}}