{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858661,-0.512545,0.000000,0.000000,0.262404,-0.439603,0.859007,0.000000,-0.439501,0.736292,0.514503,0.000000,-2805686.196726,4700335.606896,3262494.050409,1],    "boundingVolume": {    "region": [2.108860,0.540365,2.109024,0.540490,0.000000,25.708166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_255529.b3dm"}}}