{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240258423",
    "entityType": "User",
    "nonce": "0x787ffb4f8b051a5e1ad2d687ab7ca980d38f1445d76304458b3b1b19da7bd87c",
    "signature": "0x6a907769462c2e442e3d1039a633274e76df37b7f4e5909a691b9667d420f5805ff4952a159843dc92956337acd5df90040653b57abef249324fb2e77bdede461b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}