{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xccf119f9dc7350a0150e9976e3c53c469e5aac3913c505f74031e8ec35279256",
    "signature": "0xf97a806b5ee96b8151b305d31b78bdeb2590494fe434e3002f3967bac9ccdee079a4ff9487c7dc652b1af29953d8a3e3d9663b5619c2e12b04db622df2a6a63d1b",
    "signer": "0x6bE1750982C097e426E546542683fb42BD1698F1",
    "userId": "863774823"
  }
}