{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "926268626",
    "entityType": "User",
    "nonce": "0xe42640f2d5f56171a45972febd3c61fcb427652a5062b5b757555e1b7360f819",
    "signature": "0xb0be2ed10093f7f6bb37a9acd968d01b1805ed2fa64e3be7b30e7d4568c2a63a228c649e4a3254756b6c43e5df9284890f2afe7ed9e0716ba55bbf2120206d871c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}