{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891166,-0.453678,0.000000,0.000000,0.292023,-0.573624,0.765296,0.000000,-0.346229,0.680103,0.646209,0.000000,-2211388.472090,4343864.343051,4099750.968927,1],    "boundingVolume": {    "region": [2.041636,0.702563,2.041732,0.702649,0.000000,8.538198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_2045422.b3dm"}}}