{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x1d0394a82759340f84759faf942f77a125d0cc0e4e16695ca2b87a2118e6d6a6",
    "signature": "0x96b28e449e48f7046dd6c59f680675091bcd49ed11620abe9f67ea9d8db188ce184655266aacd920bdb3505c1801b04f07c7addc37037d5b886fd8287a458c371b",
    "signer": "0x99579cBBf75032De98d51e1f45bC64e75B4B9e1A",
    "userId": "529938035"
  }
}