{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349121",
    "entityType": "User",
    "nonce": "0x84fdcf7e990a1bacd3175ae4366938c32d6fe452ef4355f6abc8b3149fdfe0d0",
    "signature": "0x65a7ecc9ddd82855ad51ecad966ae51a19ffffa135c24a847b1eafc51e97b1114dd1aa74ef21091672fdceea886bed0dc3385332091c3c2bb6a94589d67b24d31b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}