{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5233",
    "entityType": "User",
    "nonce": "0xc926343ed5b082c81cbf4940c547b91ad92ea0ce89a0bb718a451b2107789509",
    "signature": "0xc34628448c5a4e003a9021162111682bb314dd970233e01133b2722eeeafe5bb37cc69bd0fc33b7a0c64787a496a8eedfb0fa32bb3ae4641ed15a69f2990a5121c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}