{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x23f1cb66c91a48f72dd3de824e77cfbf03e2e42d90f065e1db5fa6208b20a942",
    "signature": "0x8d00e2f2310bbf7ab190fbe4d78497b952cd1bc6e100b37c91516f8eca6873fb2e758ccc8800b6f16006470bdb25fd30f8e35fc45994329f203a8d55c8d1bd021c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}