{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "921357203",
    "entityType": "User",
    "nonce": "0x177ada1b86a894264605f255925c322a16b6bb5e5b18afdfde0568659cab76c2",
    "signature": "0xedc27d978ae523c1cd15b072a562fc8b4018e8f039c124e8e9bbab98ba9c62a34f4b9bf9fe137b211cea803f186b6c899aa9e9d8c7a1e86ab309ebd1861fc4f11c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}