{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfdf4c8399c8086e6115ebb2921809716691aa682512a3a20c44ed141e96925af",
    "signature": "0x07b3c72f7aaa9bdf0e6158be7428c0bfd684551c193f7c808a74a3283c92ded3750acadbc4ad422bf521681c4564f77cca3e9c5fcb57d5f99100d877a39e72f71b",
    "signer": "0x1aF52c9d4612314aB0a4cFb3D37941d889A25104",
    "userId": "115236701"
  }
}