{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330128",
    "entityType": "User",
    "nonce": "0x87d871477c80ad998fbe526507808c5dd2595b314ca7499e326dee73f6704927",
    "signature": "0x5763796f2fb967920569585b44f97043131c087a573980e93cc95ac8d14df1ee3a6df87dfb9e72889d43a34aabe11d0ed8f6e74d50e4fdca7f53c6a7c7cea0491c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}