{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "676700670",
    "entityType": "User",
    "nonce": "0x125be433d9ef1aacc9f62be31e2c694289a78e166fb7bc0b8e6104c1a78a83ab",
    "signature": "0x18ac1b99e946e0675cce9812ed621d2c0cf9d3ee419adfb12ddb231880db8fb74d42d495a6347983eab3420596180758d29106d8efc0b02f82c5d1b597b5b2261b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}