{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948768,-0.315973,0.000000,0.000000,0.176007,-0.528495,0.830491,0.000000,-0.261863,0.786295,0.559614,0.000000,-1671954.710950,5020363.992651,3549119.893320,1],    "boundingVolume": {    "region": [1.892230,0.593808,1.892326,0.594031,0.000000,8.783736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1093681.b3dm"}}}