{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949450,-0.313920,0.000000,0.000000,0.114690,-0.346879,0.930871,0.000000,-0.291955,0.883019,0.367478,0.000000,-1862972.955172,5634561.894880,2329187.214438,1],    "boundingVolume": {    "region": [1.890030,0.376171,1.890199,0.376421,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_29001.b3dm"}}}