{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943190,-0.332254,0.000000,0.000000,0.186465,-0.529329,0.827673,0.000000,-0.274413,0.778995,0.563794,0.000000,-1752111.152388,4973832.657625,3575689.942389,1],    "boundingVolume": {    "region": [1.909416,0.598924,1.909561,0.599021,0.000000,7.927327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_544638.b3dm"}}}