{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895874,-0.444308,0.000000,0.000000,0.288606,-0.581927,0.760308,0.000000,-0.336851,0.679205,0.652083,0.000000,-2151548.047436,4338238.669013,4137125.321134,1],    "boundingVolume": {    "region": [2.031109,0.710276,2.031288,0.710381,0.000000,21.060833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/16_1786878.b3dm"}}}