{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10127",
    "entityType": "User",
    "nonce": "0x27e7d9ab2432073ce0763e7e30c3397a374aa48c8f7be7840e276e6a551f397a",
    "signature": "0xcd6b17b4797a56250967ddd3771801a6effc68b8bfb25caa69fb2c43705d80d33434e02ad235b9f9d588430236504c722400bd3e3eab0a78fbe38649ce1785d11b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}