{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948882,-0.315631,0.000000,0.000000,0.176463,-0.530502,0.829113,0.000000,-0.261143,0.785073,0.561663,0.000000,-1667365.846785,5012598.368275,3562143.142281,1],    "boundingVolume": {    "region": [1.891850,0.596341,1.891987,0.596447,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112642.b3dm"}}}