{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x5cbefd2b773e386c11194820ab316764e2f88fb2f75911ac5d770eab5fff4a18",
    "signature": "0x4eb1a5f2e0e360da55ea60560366d5202be1adfbcb7e9c6f2bc56331828f8ce06352852bfef4ed44500f37b16f4c7635cdc17a6867208b23176f78f9181c26211c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}