{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5f5e44911adccf8346a6bc04565f847edfecf250b80fdeacbeb922b186f7207a",
    "signature": "0x2272be62297fc2c50b6cdc1974144930b7241a846692227b589bb81cfa9d5f185bcc0f1aaf3b3818de363113c85fbaf4e6666441d56f4ec8535c2da766cc3de31b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}