{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354814803",
    "entityType": "User",
    "nonce": "0x050c9104fa769d1993dd07885a93023e27bb175ea0f134c10e4d7eed34031df9",
    "signature": "0x2095d33d16d70d95043710d53c02e336e3c23b4cecc2c7685b076a06f337f8ee0f845d2a05d1f5b1d355a784692a43ccb02ffbcb6753edcd4ae9e28395b5e4c01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}