{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x385a819998193a6fa41182440b282b0ce6b0efe896d09a69affb230d31f021cc",
    "signature": "0xa60f030289b6e40fb23ecfedc308c84e29531b015a5b95629e1b57139a9a888124dac1973f06e1b0600b29d2c148f1e0d14b1ba78c3b3501f02a868255f3bb4b1c",
    "signer": "0xca179e2504013f012d6b9328fAa6eF6Df54FE38E",
    "userId": "384424370"
  }
}