{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950933,-0.309397,0.000000,0.000000,0.116524,-0.358137,0.926369,0.000000,-0.286341,0.880071,0.378792,0.000000,-1827199.443243,5615914.335895,2400964.234879,1],    "boundingVolume": {    "region": [1.885315,0.388478,1.885394,0.388502,0.000000,10.252845]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/15.b3dm"}}}