{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89682",
    "entityType": "User",
    "nonce": "0x4d048d278a4c98540e04cca34c0728e5a16db2764d8606aa88d54a91a9395214",
    "signature": "0xa20aecf80cb5dbf9fa303d52b37ce301cf1f4cdb2cdf06cc3a6b7431ed54568f439f4983454536e52c2ec3ab7b9ab096e8c0ccc6797bd36e5d2f5c61fd5f5d341c",
    "signer": "0xca179e2504013f012d6b9328fAa6eF6Df54FE38E",
    "userId": "384424370"
  }
}