{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0ab596649fe2388189b8631222aac88a18efd7ae19af841181a3072855f580f4",
    "signature": "0xe6c267ad02d46c8263a92ae57f26ddf3addb64e5a6f795992e0e9c7311a82ac211688433f2822d844c1dd638ddeff9cb04d5f1339ed8f79b8ab8a6ba69d800491c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}