{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948858,-0.315703,0.000000,0.000000,0.176491,-0.530450,0.829140,0.000000,-0.261211,0.785079,0.561623,0.000000,-1667800.908589,5012635.648212,3561888.717783,1],    "boundingVolume": {    "region": [1.891926,0.596292,1.892063,0.596399,0.000000,7.650175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1056427.b3dm"}}}