{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158838064",
    "entityType": "User",
    "nonce": "0xf7d26c2cb21f55ac6c2bdb8ac00bfce404a80e1ee92e209c5a012e5c5cb6a642",
    "signature": "0xda63da2325459bde92a1e8ad84cfffbc49f7af6c8b59f6c6ac67f160a67e28c5744c5171fff49bdc0d0b7102cce1c65a71753e51fb810ccc4746cc28b060d4c71c",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}