{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4084",
    "entityType": "User",
    "nonce": "0x57b7690818c1c0692c34d74987e6ec99ed773b219699d8adfebff994d27fdcba",
    "signature": "0x405780ecac7aac1af4ec6ad9205f0699b2f31256adc8a01eb26e11cd907bd630609198c232382c55925d991f8f46b3c94c7d3554a6571f5748612ea2aaab71b71b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}