{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943858,-0.330350,0.000000,0.000000,0.184097,-0.525993,0.830325,0.000000,-0.273724,0.782069,0.559861,0.000000,-1747683.092178,4993382.248660,3550690.295844,1],    "boundingVolume": {    "region": [1.907416,0.594127,1.907526,0.594308,0.000000,11.359281]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1242881.b3dm"}}}