{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67600125",
    "entityType": "User",
    "nonce": "0xbf16d3bf726ce919bdbda7f91c470a1206d169d77548e57d74a1c3934898016c",
    "signature": "0xa6b109b04f2c81be2adf58772b338d3d7e2c0c9caf2d97b34d17cd0f5e33398060ff75d93e9043e8be7bfcbef426950d4c247eb0702177e1a432d5c7d62533371b",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}