{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77436",
    "entityType": "User",
    "nonce": "0xdd74faa67c337e7ae1ba92bfd946bb63c3498b9d82aa85e89e33c91d502f7a9c",
    "signature": "0x06f8d573f3689db4718bea18620eff4da2485bfdea6e82591007569391cefb7a5a9bc79eeb16f58547f3e16e02eae3ae910ac41d262f7c169593c0a8ad5b9b631b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}