{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235614",
    "entityType": "User",
    "nonce": "0xf5d4c6d12bbce32d60678c694d3c965e4af497ba55b2e42441d9340e040fd79f",
    "signature": "0x96c760f16cf9f1b7b2ed19459831ca63b126b7d2efaef0cf3df379131c5cd9ec06e25cbaf453418f93cafbf562e99fc95f1c488a38f767feae1b932fbcd488c81b",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}