{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950373,-0.311111,0.000000,0.000000,0.174009,-0.531559,0.828955,0.000000,-0.257353,0.786155,0.561898,0.000000,-1643172.377757,5019514.494200,3563636.080903,1],    "boundingVolume": {    "region": [1.887110,0.596629,1.887207,0.596727,0.000000,8.795234]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1328125.b3dm"}}}