{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x634516abf25554c803466bfe501c67e4cff20457e993deaaaf2bbfa09945a1ef",
    "signature": "0x6e7d917bda0d3cd56760248136aa61806eb763b802ad8fd50d9c6aa0b018cc6c78bc04b49249aff30b839480446a6b5ad132883004cd6da8fd237459bd183a9f1c",
    "signer": "0x4f24EFcc0f8174B7836f5EBbeBd72AF3f1746E74",
    "userId": "230109234"
  }
}