{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949319,-0.314316,0.000000,0.000000,0.175338,-0.529568,0.829948,0.000000,-0.260318,0.786233,0.560422,0.000000,-1662095.182666,5019978.783355,3554257.427315,1],    "boundingVolume": {    "region": [1.890451,0.594762,1.890613,0.595028,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1457571.b3dm"}}}