{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948756,-0.316011,0.000000,0.000000,0.176440,-0.529723,0.829616,0.000000,-0.261616,0.785449,0.560916,0.000000,-1670385.713763,5014984.109394,3557399.135896,1],    "boundingVolume": {    "region": [1.892270,0.595381,1.892366,0.595604,0.000000,7.895812]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1071570.b3dm"}}}