{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917453562",
    "entityType": "User",
    "nonce": "0x930a43111cfbd6f61f4ad607e242fc9e3bb591343364438b17cd37c09d325fc1",
    "signature": "0xa710df4b7b97518cbdc07c4365458d3481a93d1bde275011ec5b72a3f96c6c717de6fe17bc1e1caa436873ee1e9c5d2100e73998b8183184fd0cfa80df4fc57b1c",
    "signer": "0xA60fcA5dDC2f63444622C371FB2dD8F2D51d9398",
    "userId": "153833032"
  }
}