{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115325",
    "entityType": "User",
    "nonce": "0x810bce88233aa0f4d1c14284c648cd85c7ca86843cca85efd63d53d05e985901",
    "signature": "0x93342186f59a443e4af9dd1d21da3eabd92bb084ca28b40db5e488988e27ca6d244e841bbfd280e4af9ed114c566c6a5963336919b835a8e9e3a9ccdbff7a4171c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}