{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948790,-0.315906,0.000000,0.000000,0.176048,-0.528740,0.830326,0.000000,-0.261756,0.786156,0.559860,0.000000,-1671270.341557,5019478.914247,3550683.210717,1],    "boundingVolume": {    "region": [1.892160,0.594105,1.892256,0.594328,0.000000,8.662956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1093648.b3dm"}}}