{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949484,-0.313816,0.000000,0.000000,0.175041,-0.529607,0.829986,0.000000,-0.259916,0.786406,0.560366,0.000000,-1659527.441144,5021083.250227,3553899.555639,1],    "boundingVolume": {    "region": [1.889924,0.594694,1.890086,0.594960,0.000000,8.804800]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1379375.b3dm"}}}