{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948976,-0.315347,0.000000,0.000000,0.116087,-0.349342,0.929776,0.000000,-0.292934,0.881528,0.370267,0.000000,-1869231.720491,5625090.467551,2346879.101654,1],    "boundingVolume": {    "region": [1.891565,0.379238,1.891673,0.379354,0.000000,26.519665]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_7992.b3dm"}}}