{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0xb14f578c03dcb91c1690efd33ebce445deb4f09bf555cd371b008372bf771628",
    "signature": "0x89c20bc0f7300431728479075007fe3b204800323078dcfdd621ec11b90d4830685e6d1006fad873dbcc183f3248b816c79a6977c1546a2187df3aee805aebfb1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}