{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "898121894",
    "entityType": "User",
    "nonce": "0xbc8089f1a10e1fd35dff975bc8431466b4c012a5779d8bf9138d67963ed46c7e",
    "signature": "0x5f1829f7ab97ad25f9799af2ed9cb54dbc0aa4e9fd270bdd97d1b627c58802b9130ebe6d6954dfc54bd142ecf63e6c5d32ee1899068aee23eb11d9d03df15d421b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}