{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x11caf3ca049806854578b1196251ce43916ead1d60c80e9068de9820efe6a133",
    "signature": "0x60b1197b991f564bde9b32eb7e82b502866d2d19b38b8f54972ceb2ebfe8801d36f4df16450224ea1a5d38fa1a2d4c736e434f426d8a908aadc035eb10a892c01c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}