{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951224,-0.308502,0.000000,0.000000,0.115637,-0.356551,0.927092,0.000000,-0.285738,0.881035,0.377002,0.000000,-1823343.284150,5622039.292551,2389611.035706,1],    "boundingVolume": {    "region": [1.884332,0.386506,1.884495,0.386609,0.000000,14.801320]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/12_6339.b3dm"}}}