{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949214,-0.314632,0.000000,0.000000,0.115913,-0.349698,0.929664,0.000000,-0.292234,0.881641,0.370551,0.000000,-1864764.070299,5625814.335846,2348685.243877,1],    "boundingVolume": {    "region": [1.890811,0.379545,1.890919,0.379660,0.000000,40.140716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/18_7664.b3dm"}}}