{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5348",
    "entityType": "User",
    "nonce": "0xeddc1733c7bdc13011d0a459756ce7dc6da3e3303149c964c2a57363a3cc4af1",
    "signature": "0xdde16fd7cc406b6315f242e79d2f05a4058724ad14c2e90777cb24b98fc8c37c75000428d26f96d75c611799b055eb45ef8538c0a593d4b1f401c953630fb7ae1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}