{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949039,-0.315158,0.000000,0.000000,0.175770,-0.529299,0.830028,0.000000,-0.261042,0.786078,0.560303,0.000000,-1666710.885192,5018988.752950,3553499.160989,1],    "boundingVolume": {    "region": [1.891372,0.594656,1.891467,0.594846,0.000000,17.403413]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1462230.b3dm"}}}