{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc96da5a4f35dd50f207e3d80701349468bcba3824c6652e2c656d4e1fa886304",
    "signature": "0x3f9459ccc2199c7627d6c222edb81e7130d164a41f7b883e8b6ecc1a491979ca38917c2346819c501da891fd8b540d97d33d37720e2660ab71525d2e026c561b1c",
    "signer": "0xa994b8dF5782f9A03370955CD9107820F30cD6Ca",
    "userId": "283342965"
  }
}