{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x82b5ff793c1820589b679d31c636aecab25a2fa3be23e73daa0a5ad832394d6e",
    "signature": "0x7853e8f3feb9dddadd3d9cccc1afa0ba027f51da2e927e963fc92e92426b9e04407763354a49c40047424f3e295d0a62b9f6c54f0aa8d256f5f45df8224189b01b",
    "signer": "0x11EFeB5E02d1E5FF95b12f694953DC15ACEc8bbB",
    "userId": "191130508"
  }
}