{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948441,-0.316955,0.000000,0.000000,0.117117,-0.350456,0.929228,0.000000,-0.294252,0.880505,0.371655,0.000000,-1877647.160626,5618577.633082,2355686.502852,1],    "boundingVolume": {    "region": [1.893230,0.380685,1.893397,0.380897,0.000000,6.221194]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_72574.b3dm"}}}