{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42164",
    "entityType": "User",
    "nonce": "0x75f588a01c0731e9f297b07f4c492feb9b184a7f6270661707938c842955b9dc",
    "signature": "0xa24e07667ed23d88d78be205f3adb324566621604de90e5cafca6f3acae1b1d46117641f325ab6788c4cfacab4ef135d8d6352f6be33e13997d3f6c0ab7d77091b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}