{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949235,-0.314569,0.000000,0.000000,0.115170,-0.347533,0.930568,0.000000,-0.292462,0.882528,0.368253,0.000000,-1866212.822872,5631440.096278,2334105.104738,1],    "boundingVolume": {    "region": [1.890736,0.377081,1.890861,0.377178,0.000000,52.466495]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_22850.b3dm"}}}