{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948882,-0.315630,0.000000,0.000000,0.176483,-0.530563,0.829070,0.000000,-0.261128,0.785032,0.561727,0.000000,-1667272.793337,5012335.845107,3562553.318594,1],    "boundingVolume": {    "region": [1.891849,0.596419,1.891986,0.596525,0.000000,8.756069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1055421.b3dm"}}}