{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949853,-0.312696,0.000000,0.000000,0.174387,-0.529724,0.830049,0.000000,-0.259008,0.786772,0.560272,0.000000,-1653729.972906,5023418.302209,3553306.143128,1],    "boundingVolume": {    "region": [1.888745,0.594582,1.888907,0.594847,0.000000,8.305366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1376858.b3dm"}}}