{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128172",
    "entityType": "User",
    "nonce": "0x9ef65ebdccafe06d0a60d6264a55ca4e9dcf8c862b8bf6baa2c4f06a8eea11eb",
    "signature": "0x8c1f20f05a85828b215ec28d8a6c137dbd26d0f9cb0b3ae2ae51473ced95f6225e04a77de473283330fb21f0feace38a923a6681dd2349d6c20cc1fe536eff2b1b",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}