{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571869547",
    "entityType": "User",
    "nonce": "0x95ffadf2b4e27676e89707ec7046b7b2700e416a3626cb4fa33f4fe6ece1229a",
    "signature": "0xcc0b3b454df205217b859e86e8ca5d2f2c304d1ec13e6edb0b156903bcc415da2f23faca4152d2bda07df2f6d82f0f830f2e6b56a81c8e607b55dc6ed27221161c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}