{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8282",
    "entityType": "User",
    "nonce": "0xba16cbec4cb458ec7aa765419893083248b6d9921b625ad42139b8499a71029d",
    "signature": "0xfe70766e9dd513c593052687b4e71f64c2b19649aebfdd4cf8a7d922e0bd578745d2042833d42d65bcfc9fa8857240efb674fbe677490bd90f6fd7f14b78551e1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}