{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831760216",
    "entityType": "User",
    "nonce": "0x57ac0e88f65a10f2b8a81fb3837abf96e96b41a71940e84f7002a12677e472a1",
    "signature": "0xf0ef85457225ff6f104c073305b79683c967625fd7f4720b079248402099f5bb6c8689fd9dab1148273d06952f5e723a9723e3f9fd434c34f28a39bdcb5d3e601b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}