{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x36952ca88f428656d64a3ff8fb755202134627f013c251daa8730a80c24eecd0",
    "signature": "0x5a699aabaf46f21525e85f0c665836f1c24566c6941149fd27ec998bfece7080774a7e3d580457eec4b88340045daa2dee8e08a4c6f8994b93adf3335210e2f01c",
    "signer": "0x302f0C6B9DABd361985525951F5FFA3B057b026a",
    "userId": "993557488"
  }
}