{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951690,-0.307060,0.000000,0.000000,0.114663,-0.355383,0.927661,0.000000,-0.284579,0.882015,0.375586,0.000000,-1815943.361995,5628269.325598,2380623.966633,1],    "boundingVolume": {    "region": [1.882851,0.384991,1.882946,0.385066,0.000000,9.215157]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/13/47_38561.b3dm"}}}