{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0xbe9dbfa4b348aa8612b6719e685a20164b7b572d09534f111aaba3e6b642eed0",
    "signature": "0xee495d3b10eb88a5130e35ec19de42db073aca0a975a6885c86b1b364e9577ad003da8944543184af974e31e6e55c8f5ed43cbcf2200fa7792a8f41cc4b49c921c",
    "signer": "0x299264810656E1Ed3c948542479a0451195E3BB8",
    "userId": "151148"
  }
}