{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950508,-0.310700,0.000000,0.000000,0.173701,-0.531396,0.829124,0.000000,-0.257066,0.786429,0.561647,0.000000,-1641335.513792,5021253.699251,3562042.794760,1],    "boundingVolume": {    "region": [1.886677,0.596326,1.886774,0.596424,0.000000,8.781916]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1331414.b3dm"}}}