{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28483",
    "entityType": "User",
    "nonce": "0xeb12d12eeaa9ab3c086ec6b1184921fba5a921cfe2f257ecf04679887b9cb939",
    "signature": "0x39bc270bfec650fd3934e286479084f17516332ea841f101838c102f602876c90735e71c819ca5a17d5389bbfcb557381df9dc3f916d29a9b81e7c38cfeff8851c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}