{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824478223",
    "entityType": "User",
    "nonce": "0x82b0e18d751e493ea8ba5fd6d33fbd1a79fb58c1b3ace6e2726fffe2841a86de",
    "signature": "0xa87d0505c75d0bbc46e842cd41ffbc5ed8974381df7377821074f5678e945f71358a57b9995f8859813b909d6c4d6c283e354695038b6fc2e9697a3332fd13d91b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}