{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948888,-0.315613,0.000000,0.000000,0.176458,-0.530519,0.829103,0.000000,-0.261124,0.785068,0.561678,0.000000,-1667248.937334,5012569.385096,3562238.007264,1],    "boundingVolume": {    "region": [1.891830,0.596359,1.891968,0.596465,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1055824.b3dm"}}}