{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6c07783ce646df5599ee0a7cc50efcf05b64f74a1aa1c5e5fa235ca78b08c124",
    "signature": "0xd80b41c83548def7e4530bd5dde3931a056398e03d04850e1247f4af96d32dd44ebf538ec0198a78c3e5c8fd6f059c2c81ba77e004b5bf58b178c21902c94d1e1c",
    "signer": "0xAfDb4A2d4Aa9040087dadeDA27AB759e9133C3bE",
    "userId": "699037080"
  }
}