{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x38fc0884b95935ad3f4a3f3f4ff1caca6e5349d6c17bab04a84269464dfb08f8",
    "signature": "0x3e1c4a08c455fc1cb5f6f9e287668986b52b6df61825479e0d753eaa9baa03be6ddebda5e7f775d22300a25a4da8179c73ed0ac6f03f7de40c93c56959e5d7c71c",
    "signer": "0x1d3665a84dDa6cd4eA57d9b66E68602902cc0365",
    "userId": "922728721"
  }
}