{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949050,-0.315127,0.000000,0.000000,0.115791,-0.348721,0.930046,0.000000,-0.292815,0.881855,0.369582,0.000000,-1868470.970219,5627166.373468,2342533.604006,1],    "boundingVolume": {    "region": [1.891334,0.378524,1.891439,0.378594,0.000000,34.865400]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/16_9720.b3dm"}}}