{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1357",
    "entityType": "User",
    "nonce": "0x5ec0125a1f7496d21d100e5f26513cc23f8ef14c4d825bd3cbf4b8f496b25393",
    "signature": "0x495485b6f70fe8d85aba78cd391578f19a796211c05cad72149e8adf840c93a10ba15dd1589759beb8e872eca8724c163347a2b7179f537e7574f946ae7f7ac51c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}