{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949230,-0.314584,0.000000,0.000000,0.115177,-0.347537,0.930565,0.000000,-0.292476,0.882521,0.368260,0.000000,-1866296.890458,5631395.171280,2334146.000806,1],    "boundingVolume": {    "region": [1.890752,0.377088,1.890877,0.377185,0.000000,52.466495]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_22865.b3dm"}}}