{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949220,-0.314614,0.000000,0.000000,0.116540,-0.351613,0.928863,0.000000,-0.291962,0.880878,0.372575,0.000000,-1863040.100882,5620973.914020,2361520.852244,1],    "boundingVolume": {    "region": [1.890777,0.381732,1.890915,0.381832,0.000000,29.734073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68482.b3dm"}}}