{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbeb59a4c8b5e541d6cf0fa7f4ea484a50348c93d14ef5ee23a5db4b3cb0fe217",
    "signature": "0xa15514d95e1184a06e183202c689637a85bfb2374fa76bb8e0cd59e2f1430a252b3b90e41ee5517e08ec1ede021014790fb675b726ad1bf3a99377753405d5f41b",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}