{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x70a8d9fc8519d2aba76608792c529a2da51d8a02ab9cd8e232e412e40dcb1b2e",
    "signature": "0x5c12ca5682db8ee2cc073e92c203e4107a34026945e379ba000569fb92b5d9e769a0ae3e8496d8f6a9fade400d76c2aa81eadadd1a84d2ebe9510965d36c59971b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}