{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "675830993",
    "entityType": "User",
    "nonce": "0xbedd38ae5cdf9eb9e5346bfbc8739e6a93e3270dd6991ec975d914fdebc22ea2",
    "signature": "0xa8c014cb125680946828ad19797f07ff7fec058e2ccbb0cec842f2e249731c2c3424ac4bde5c3204a3737e687e17e692614da99a4d6d7f8a9472c568903e11841b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}