{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41839",
    "entityType": "User",
    "nonce": "0x474459b47b4edb721d1e795826ab7581c5ca28d57145d8ef7857884bc07bae43",
    "signature": "0xc981d6eb610d08220e91614c02112d27c5cfadfba33972914885d458d0a9a47b5b276dde4d8a825c468e123477787a3e368036562f5803792be6e199d8a8b1831c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}