{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10842",
    "entityType": "User",
    "nonce": "0xe6c2cbe6839423f9b3698492a59e4035519ca121af0400627513947f6aabf43c",
    "signature": "0x38ef678368bd18138d1d7de54b724e45719c6b5526d29671c97c62708f49d8a6083e8f4e3a390ec15af296ce14ab99eda422eae0adb56bf2da9b4e1b9f04789a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}