{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948756,-0.316010,0.000000,0.000000,0.176436,-0.529713,0.829623,0.000000,-0.261618,0.785456,0.560906,0.000000,-1670398.559847,5015028.514920,3557330.962532,1],    "boundingVolume": {    "region": [1.892270,0.595368,1.892366,0.595591,0.000000,8.803720]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1181301.b3dm"}}}