{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950733,-0.310011,0.000000,0.000000,0.173425,-0.531855,0.828887,0.000000,-0.256422,0.786388,0.561998,0.000000,-1637224.839589,5021002.251899,3564273.269418,1],    "boundingVolume": {    "region": [1.885918,0.596715,1.886083,0.596884,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387620.b3dm"}}}