{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381947",
    "entityType": "User",
    "nonce": "0xc0228a81f6aa00a84989a0e3adb864a2651d9ac1c4e5761ce101abbb43cb5241",
    "signature": "0x2afac1e2f01ebe6688a008ae2d0b3b0750daef136dd3657acd98e86422b0bf1733586a15000c5b5a08f06e182cc5e1bd868b93d03655c2ebf43130ea7b5acf2b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}