{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951313,-0.308227,0.000000,0.000000,0.113888,-0.351504,0.929233,0.000000,-0.286151,0.883177,0.371640,0.000000,-1825952.171085,5635628.332548,2355594.883221,1],    "boundingVolume": {    "region": [1.884047,0.380728,1.884203,0.380822,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42990.b3dm"}}}