{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5776",
    "entityType": "User",
    "nonce": "0xef8bbcfae6f21032ab4f4b301d77a3eb99b08f2b047aac5d3e538253631b45bb",
    "signature": "0x1e2386499bae8510aa7c7d6a894e9b50538f275e45f01dc0b76da2d2d5c623524f6c40a3240112cf52aac4508b14ff203f1baa9485f22978e582057c8bde5d6b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}