{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950099,-0.311949,0.000000,0.000000,0.115845,-0.352827,0.928490,0.000000,-0.289372,0.881336,0.373512,0.000000,-1846517.381786,5623905.436154,2367470.900558,1],    "boundingVolume": {    "region": [1.887962,0.382728,1.888119,0.382857,0.000000,22.507524]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_62400.b3dm"}}}