{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "578212224",
    "entityType": "User",
    "nonce": "0xa9b7460c152eb58d51cc02e4a759bfa799d6d8beadca912a3b9af2977df0f4b0",
    "signature": "0xff41005c3184a0823ee6151bec99d5a24e4834bd911ae77f65f41b66e6697f083e46b706e3910d141a87e80936c6110331c01efb7b5f6faf2dc898e5c4cbac201c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}