{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27127",
    "entityType": "User",
    "nonce": "0x289437df48c2e01920e16aa04b56f113104b6c95c6804322e3b260c866d2c649",
    "signature": "0x5f1f85487489e966926badca295cad970b032cf09691d6aa0001e0431f3b37555c96a1d8a0e2fcc93cb98914cc6dbe48fe871a193002b2f14a1e562f72b7b5d91b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}