{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27127",
    "entityType": "User",
    "nonce": "0x1ffd3e33c05898ead480c274d8dccaf2dd66559a9284a27ab0f9982776269162",
    "signature": "0xc2f3afad8cf48ba66c357b7329133aa97cd60d11477466ea3ad020504ba8a02b5200d654390417cd012c1db1fddb39a90aef7808ebec404223a2eb6cc7e11a0f1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}