{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "181",
    "entityType": "User",
    "nonce": "0x599b6c6d18c0b847e7fa6d5b669adf4bed00f8aa158fd29724a6e4a3c28f60d8",
    "signature": "0x3a8a38502b7003b3e0445b36120d1a0a57d099a58658d49a2b93d4b51b1654e56cac804685a762bff14b9572a1fdbf779c1b21efd654d21608b42fd7d71050201c",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}