{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xea146611749186e7a23329c343a4d1a34a184c9ff3c7eed074e3cc71d68d7888",
    "signature": "0x82e6ce26fc37d909da3aa3406f78393927d63e8f14ccf39aa36dd08a833196cf0f582de3433c0563d263f81a67dbf78f1ab22936591d7c92f9c748ec8de5f76b1b",
    "signer": "0x083e7805c2A3a6DC640892099888b4Aeb83E2030",
    "userId": "574551044"
  }
}