{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90092",
    "entityType": "User",
    "nonce": "0x019b92e5bf15951134f1505d61eb681117a069e13e15f83fcf2228a3a070a6a3",
    "signature": "0xa5643f5c209b67ae64e695d0d8a477ea82a7cd73349aceea7d11cad61c3028aa494f8bb84aa93e09d45a75868cd5afccc50240d07e5309374815f5e8cde53b3a1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}