{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949844,-0.312724,0.000000,0.000000,0.174817,-0.530977,0.829158,0.000000,-0.258751,0.785911,0.561597,0.000000,-1652093.604309,5017951.258496,3561725.282318,1],    "boundingVolume": {    "region": [1.888770,0.596212,1.888941,0.596417,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1442220.b3dm"}}}