{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9e7b436f92005c4bb657234bf8d78170c40ae1a5547fd57fff08c663d56ed7f8",
    "signature": "0xd69cd2eaf4cf2fe6ed84fc1badf9bf6a6098eef2ef0fa45a3c7aae8cae97a3820b5488d1d09da767c313b4cf806a5c9f7b46c59bbfdf3ec5c39cdf74795729b01c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}