{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950160,-0.311764,0.000000,0.000000,0.174111,-0.530638,0.829523,0.000000,-0.258071,0.786522,0.561055,0.000000,-1647751.079802,5021839.588690,3558278.239320,1],    "boundingVolume": {    "region": [1.887795,0.595601,1.887895,0.595718,0.000000,8.461474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1353882.b3dm"}}}