{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25841",
    "entityType": "User",
    "nonce": "0x4617b5afaea40940bf003d5103efa420834e41eec909b00042ae389b46105c7a",
    "signature": "0x3bc3e2ab4d0cf882715debeb26100f72d622d0859bf69d7dea200d14e4813c8361ed1604b4398dbea10da41d6f7cc4017f044e36e7b3675fa8ebddcec48fd5021c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}