{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "292325",
    "entityType": "User",
    "nonce": "0x4d7455bc815974801502893f4788c452b3e5aaf8611a08136d443fceee117eb9",
    "signature": "0xb058760dc8f5752b2d377f5e4c38ca40e375b948ba36f0cf74cc736ccef57f3829f05a62bd221ef35bf7530749409a5a0904348e4729cbf9f3a9c92562eca9751c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}