{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949225,-0.314597,0.000000,0.000000,0.115944,-0.349835,0.929609,0.000000,-0.292183,0.881599,0.370691,0.000000,-1864443.928571,5625547.726854,2349571.852640,1],    "boundingVolume": {    "region": [1.890774,0.379695,1.890882,0.379811,0.000000,51.248855]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/19_75944.b3dm"}}}