{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950112,-0.311908,0.000000,0.000000,0.173908,-0.529746,0.830136,0.000000,-0.258384,0.787069,0.560142,0.000000,-1649740.827832,5025316.732471,3552481.560427,1],    "boundingVolume": {    "region": [1.887915,0.594492,1.888079,0.594623,0.000000,11.279145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1458414.b3dm"}}}