{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "23147",
    "entityType": "User",
    "nonce": "0x48927f3569b91935adfdd6e7734251b1b52896e4a0968072640f2c018f8f0e14",
    "signature": "0x7725977c6b06eae83cc80a0672de84141a125189af78fc4256676ee85d2e6706691af13ba481ff83736079b29c36673df697c04b58f3c541d17ce2ac5631d5a61c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}