{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeb2f82444a8a93a1cb151c8177ef0a39aaf7f2fb6f77c1caf432c739e592cbe6",
    "signature": "0xcf255a3998383c583b2b672deaf0c2f761ea4aeb071c41f418f134d6d857be680ddcfbae2c633c9b820406357f0d1b707e1538eed89779b8aff4d38f92afff261c",
    "signer": "0x31983F803d1108407c9Fe17BE7c1F54e4934dFac",
    "userId": "80931128"
  }
}