{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949896,-0.312565,0.000000,0.000000,0.174460,-0.530189,0.829737,0.000000,-0.258802,0.786509,0.560737,0.000000,-1652413.637871,5021748.971370,3556257.000975,1],    "boundingVolume": {    "region": [1.888606,0.595209,1.888770,0.595341,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356253.b3dm"}}}