{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x05724aa03235044d61368dce7a60e9fe22a436da9d43b0756902a5c4ac517fe8",
    "signature": "0x85b12c680b962925250ecadef1e2c320e1463c6f1ac73343386a5242558c7c947c416adb23327dfc113f8b9a0c62bcebe3b9f5874c8a02f88246c5e6fc1360391c",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}