{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948858,-0.315704,0.000000,0.000000,0.116015,-0.348687,0.930031,0.000000,-0.293347,0.881663,0.369620,0.000000,-1871861.056838,5625938.830772,2342773.935865,1],    "boundingVolume": {    "region": [1.891942,0.378565,1.892047,0.378635,0.000000,77.207510]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/16_11937.b3dm"}}}