{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950206,-0.311622,0.000000,0.000000,0.174274,-0.531401,0.829000,0.000000,-0.257790,0.786060,0.561830,0.000000,-1645961.644171,5018906.258920,3563208.401111,1],    "boundingVolume": {    "region": [1.887620,0.596504,1.887772,0.596689,0.000000,8.804214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1399158.b3dm"}}}