{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2024",
    "entityType": "User",
    "nonce": "0xfd7d000fc2cbd038fae8d201086dd2ac72a45317779fdd6facc181601472333d",
    "signature": "0x9714cf465aa00e53090f7d9fa0011bf3a473431f738940c58db55c9fcc1209d7008b1e0329b4acdf66a7afe23c3dbf126d586244825764f4d1deae228c79ede71b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}