{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346848",
    "entityType": "User",
    "nonce": "0x713120510280b49a08edcc5132204848ae2f270e7a7b8893f83f8f30110aefce",
    "signature": "0xd9224f9f1ba10c27390c908ea22168c99d32035cdfa171759888be842006dd402c7952db749b167df15deacf65b7eed393f8299867e3c54f6429b658b22e3a0e1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}