{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb4eac2f8c836e79e4f626fd354e0305dec4b492439e5ebfa7eba1cc5a9ae1b0a",
    "signature": "0x7905ef7005e32278f4e3ccd5dedcc134f671b942391d0fb4e8bcc0b8aeb32dba71a779cafe85f9751d1e5f65b415f5c9cd2e4e9b89ad70c4e556fcb0168233241c",
    "signer": "0xeeFABE45B143d8481BE606D13aCB9514621266Ee",
    "userId": "927752964"
  }
}