{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105788",
    "entityType": "User",
    "nonce": "0xda3046eb0d5a4d69bbcd350e8763c5f2f2f67ee093f09579eff7a8fa22c80f1b",
    "signature": "0xf89d011073cb2f792ffbb8855445c65788e49353092bbff831e706952b8a6d6d7b09826dd4780d365e828328b326f99c3d7679dddd6dcf796be75bdc3eb4fc6a1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}