{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144203",
    "entityType": "User",
    "nonce": "0xebc6f42bed01930638cafba020ed7c72bb081d659fc3a2be3f33738a44584618",
    "signature": "0xeb6db550f136b82938c311e38f31b768b900738e6ff79a5daf0faa5281d5b0ed4d32d41629d945ef434aee260c2f47b3813d3c0562e254e00fa410218afd079c1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}