{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949876,-0.312627,0.000000,0.000000,0.174484,-0.530147,0.829759,0.000000,-0.258860,0.786513,0.560704,0.000000,-1652787.015295,5021773.161361,3556050.717416,1],    "boundingVolume": {    "region": [1.888672,0.595170,1.888836,0.595301,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356556.b3dm"}}}