{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52412",
    "entityType": "User",
    "nonce": "0xb0039f3ede5102660f413481f4ed47e20cdeedc1bd649691a08cc36df5ab2e7d",
    "signature": "0xc8347edb300481981e89357aa8f938b17e4910f8ec18244cf78f7be88226276f2ef4581fd631b572375eb996e711f33ef3bf898485471c721c78756e87df6e671b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}