{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949905,-0.312537,0.000000,0.000000,0.174434,-0.530164,0.829759,0.000000,-0.258786,0.786537,0.560704,0.000000,-1652311.850073,5021929.449750,3556050.822713,1],    "boundingVolume": {    "region": [1.888577,0.595170,1.888741,0.595301,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356555.b3dm"}}}