{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202671",
    "entityType": "User",
    "nonce": "0x45dccfb06bcdc27456ebb41123705d62b51d0ef36136ad3ef1faa4d43e37e866",
    "signature": "0x7c5270098cdc1296e32370a717809f50754bd43dc54ba5de2136b22f435448ab706957d92b0d3061956602ec0c543322e4f35bee19f0082843273cab9a083aee1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}