{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0xee12c6f2f692e2943df5646fffc7bc6008a1ba92c84e626d763462969cbc996a",
    "signature": "0x1a69341b985064696ed5b8cb7f1a350edb98f3386bbbb95b834643ee8ab26b68278daab889ff8e34419ef0c55ada4939c7a2e43d32bbf3c56dd46ad5a009cc511b",
    "signer": "0x3AeD7e119d14B0BA01d38E449739bcdc1F60A66D",
    "userId": "36359702"
  }
}