{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x79d49d8919d9df15118b6e7ecb23e55486cea322c5932a0cf9dac3b59e5f3caf",
    "signature": "0xbe79e3b46989ddaa81b6c363a676da19db34cad5ff9500b46581d8886fe0d2655257068d20750d8dca2a264f7d7d40e8e25e4cfd05bd80dd4e56a7a0a754c9de1c",
    "signer": "0x4AD1829e273b8aaA748a011e03b9d1A1f6e4166e",
    "userId": "816241514"
  }
}