{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73513",
    "entityType": "User",
    "nonce": "0x43d9591436c822a3bcc3dac2cac79c5d85edafbcc2f7f32fbb2f0acac2f5fb62",
    "signature": "0x2a74d9cc4a7267707e1a54db149c57ce5c4552b71b7becb225ee9c4d5d039ca662fd2c9fe74f2249a24f75d4ca23fd2b9846e65bb6e0293f342699ca49423a0c1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}