{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948843,-0.315748,0.000000,0.000000,0.176532,-0.530490,0.829106,0.000000,-0.261237,0.785034,0.561674,0.000000,-1667968.502098,5012348.448869,3562212.208962,1],    "boundingVolume": {    "region": [1.891973,0.596354,1.892110,0.596460,0.000000,8.797005]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112981.b3dm"}}}