{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54212",
    "entityType": "User",
    "nonce": "0xbd42b7f9f3feebb747a729576f7d49e4e2d75155717493232faca394f9416aec",
    "signature": "0xc2039e1bc57b24f189705e85e37b15f9342da0405760134ac5a6fad4ee2bd4c44f8b8f123d873df5199c6c8a99630408a7dd66890ec99c416a5e684a860cfbfb1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}